{"id":7741,"date":"2020-12-05T05:56:42","date_gmt":"2020-12-04T22:56:42","guid":{"rendered":"http:\/\/tamhoc.org\/2020\/12\/05\/nhung-an-so-huyen-bi\/"},"modified":"2020-12-05T05:56:42","modified_gmt":"2020-12-04T22:56:42","slug":"nhung-an-so-huyen-bi","status":"publish","type":"post","link":"https:\/\/tamhoc.org\/trang-chu\/2020\/12\/05\/nhung-an-so-huyen-bi\/","title":{"rendered":"Nh\u1eefng \u1ea8n S\u1ed1 Huy\u1ec1n B\u00ed"},"content":{"rendered":"

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Nh\u1eefng \u1ea8n S\u1ed1 Huy\u1ec1n B\u00ed<\/i><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

L\u00ea Huy Tr\u1ee9<\/i><\/b><\/span><\/p>\n

\"Nh\u1eefng

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\u00a0\u201cIn my Heart Sutra\u2019s view, one plus one equals three , and two minus one equals emptiness (<\/i>).\u201d\u00a0 Tru Le<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Nh\u1ecb nguy\u00ean<\/span> nhi sinh tam th\u1eeba<\/span> (ph\u1ea3i tr\u00e1i<\/span> v\u00e0 trung \u0111\u1ea1o<\/span>,)\u00a0 v\u00e0 1= S\u1eafc = \u00a0= Kh\u00f4ng.\u00a0 N\u00ean nh\u1edb \u0111\u1ecbnh \u0111\u1ec1<\/span> B\u00e1t Nh\u00e3<\/span>: Kh\u00f4ng kh\u00f4ng<\/span> ph\u1ea3i Kh\u00f4ng m\u00e0 l\u00e0 Kh\u00f4ng.<\/span><\/p>\n

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Nh\u01b0 \u0111\u00e3 ch\u1ee9ng minh<\/span> trong b\u00e0i Ch\u00e2n Kinh<\/span> & To\u00e1n H\u1ecdc: 1 + 1 = 3, v\u00e0 2 -1 = 0.<\/span><\/p>\n

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Trong Kh\u00e1m ph\u00e1<\/span> \u2018\u00dd ngh\u0129a c\u1ee7a nh\u1eefng con s\u1ed1,\u2019 T\u00e1c gi\u1ea3<\/span>: Shenyun, D\u1ecbch gi\u1ea3: Nh\u00f3m bi\u00ean t\u1eadp<\/span> Vi\u1ec7t Nguy\u00ean, 10 Th\u00e1ng 12, 2014 vi\u1ebft: \u201cC\u00f3 m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn gi\u1eefa 10000 v\u00e0 9999 c\u1ed9ng 1. Trong khi 9999 \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t con s\u1ed1 \u201ch\u00f2a nh\u1ecbp\u201d v\u1edbi \u201ct\u00e2m h\u1ed3n \u0110\u00f4ng ph\u01b0\u01a1ng\u201d h\u01a1n l\u00e0 m\u1ed9t d\u00e3y s\u1ed1 kh\u00f3 hi\u1ec3u g\u1ed3m b\u1ed1n con s\u1ed1 0 v\u00e0 m\u1ed9t con s\u1ed1 1.\u201d<\/i><\/span><\/p>\n

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Nh\u00e0 nghi\u00ean c\u1ee9u<\/span> Alex Bellos cho bi\u1ebft<\/span>, “Con s\u1ed1 kh\u00f4ng \u0111\u01a1n gi\u1ea3n<\/span> \u0111\u1ec3 \u0111\u1ebfm m\u00e0 n\u00f3 c\u00f2n \u0111\u1ea1i di\u1ec7n<\/span> cho t\u00ednh c\u00e1ch<\/span> c\u1ee7a m\u1ed7i con ng\u01b0\u1eddi<\/span>.\u00a0 S\u1ef1 y\u00eau th\u00edch con s\u1ed1 n\u00e0o s\u1ebd ti\u1ebft l\u1ed9<\/span> v\u1ec1 s\u1edf th\u00edch<\/span>, suy ngh\u0129<\/span>, t\u00ednh c\u00e1ch<\/span> con ng\u01b0\u1eddi<\/span> b\u1ea1n.\u00a0 B\u1edfi v\u1eady, t\u00ecm hi\u1ec3u<\/span> con s\u1ed1 y\u00eau th\u00edch c\u1ee7a m\u1ed7i ng\u01b0\u1eddi lu\u00f4n l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1<\/span> h\u1ea5p d\u1eabn<\/span>.”\u00a0 <\/i><\/span><\/p>\n

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Trong n\u1ec1n v\u0103n h\u00f3a<\/span> 5000 n\u0103m c\u1ee7a con ng\u01b0\u1eddi<\/span>, m\u1ed7i con s\u1ed1 kh\u00f4ng \u0111\u01a1n thu\u1ea7n<\/span> ch\u1ec9 l\u00e0 con s\u1ed1 kh\u00f4 khan m\u00e0 t\u1ea5t c\u1ea3 con s\u1ed1 \u0111\u1ec1u c\u00f3 m\u1ed9t \u00fd ngh\u0129a<\/span> \u0111\u1eb7c bi\u1ec7t<\/span> c\u1ee7a v\u0169 tr\u1ee5<\/span> huy\u1ec1n b\u00ed.<\/span><\/p>\n

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Theo t\u00f4i nh\u1eefng \u1ea9n s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y c\u00f2n l\u00e0 nh\u1eefng m\u1eadt m\u00e3 c\u1ee7a l\u00fd nh\u00e2n duy\u00ean<\/span> v\u1edbi \u1ea9n \u00fd<\/span> t\u00e2m linh<\/span> \u0111\u1ea7y khoa h\u1ecdc huy\u1ec1n b\u00ed c\u1ee7a v\u0169 tr\u1ee5<\/span> ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1ef1 nhi\u00ean<\/span> m\u00e0 ch\u00fang ta<\/span> th\u00edch, ch\u1ecdn v\u00e0 d\u00f9ng ch\u00fang trong \u0111\u1eddi<\/span> s\u1ed1ng.<\/span><\/p>\n

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S\u1ed1 3<\/i><\/b><\/span><\/p>\n

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Trong Ph\u1eadt Gi\u00e1o<\/span>, con s\u1ed1 3 g\u1eafn li\u1ec1n v\u1edbi<\/span> 3 giai \u0111o\u1ea1n quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng c\u1ee7a ch\u00fang sinh<\/span>.\u00a0 Tuy th\u01b0\u1eddng n\u00f3i sinh l\u00e3o b\u1ec7nh t\u1eed<\/span> ch\u1ee9 th\u1eadt ra ch\u1ec9 c\u00f3 3 l\u00e0 Sinh-L\u00e3o-T\u1eed v\u00ec b\u1ec7nh l\u00e3o = l\u00e3o b\u1ec7nh tuy 2 ch\u1ec9 l\u00e0 1.<\/span><\/p>\n

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C\u00f3 Ph\u1eadt t\u1eed<\/span> th\u1eafc m\u1eafc \u0111\u00e3 h\u1ecfi t\u1ea1i sao l\u1ea1i c\u00f3 l\u1ec7 th\u1eafp 3 n\u00e9n h\u01b0\u01a1ng? V\u1edbi con s\u1ed1 3 c\u0169ng nh\u01b0 84000 ph\u00e1p m\u00f4n<\/span> n\u1ea7y, t\u00f4i ch\u01b0a th\u1ea5y kinh s\u00e1ch n\u00e0o gi\u1ea3i th\u00edch<\/span> r\u00f5 r\u00e0ng<\/span>. \u00a0T\u00f4i ngh\u0129 ch\u1ec9 c\u00f3 m\u00ecnh t\u00f4i kh\u00f4ng bi\u1ebft t\u1ea1i sao c\u00f3 t\u1edbi t\u00e1m v\u1ea1n 4 ng\u00e0n ph\u00e1p m\u00f4n?<\/span><\/p>\n

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D\u00f9 c\u00f3 nghe gi\u1ea3ng \u0111\u00f3 ch\u1ec9 l\u00e0 con s\u1ed1 t\u01b0\u1ee3ng tr\u01b0ng<\/span> nh\u01b0ng \u0111\u00e3 n\u00f3i l\u00e0 t\u01b0\u1ee3ng tr\u01b0ng<\/span>, th\u00ec ai c\u0169ng c\u00f3 th\u1ec3 n\u00eau ra b\u1ea5t c\u1ee9 con s\u1ed1 n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c c\u1ea3.\u00a0 D\u0129 nhi\u00ean<\/span> b\u00e2y gi\u1edd nh\u1ea5t l\u00e0 nh\u1eefng ch\u00f9a \u1edf h\u1ea3i ngo\u1ea1i trong nh\u1eefng l\u1ec5 l\u01b0\u1ee3c l\u1edbn c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi c\u00fang l\u1ea1i trong ch\u00e1nh \u0111i\u1ec7n<\/span> th\u00ec th\u01b0\u1eddng th\u1eafp m\u1ed9t c\u00e2y h\u01b0\u01a1ng thay v\u00ec 3 n\u00e9n h\u01b0\u01a1ng th\u00ec ch\u00fang ta<\/span> c\u0169ng hi\u1ec3u t\u1ea1i sao r\u1ed3i.\u00a0 Tuy nhi\u00ean<\/span>, con s\u1ed1 3 n\u00e0y c\u00f3 th\u1ec3 l\u00e0 con s\u1ed1 \u201cTam v\u00f4 l\u1eadu<\/span> h\u1ecdc?\u201d \u00a0Gi\u1edbi h\u01b0\u01a1ng<\/span>, \u0110\u1ecbnh h\u01b0\u01a1ng<\/span> v\u00e0 Hu\u1ec7 h\u01b0\u01a1ng? Hay s\u1ed1 3 c\u00f2n t\u01b0\u1ee3ng tr\u01b0ng<\/span> cho 1) Sinh, 2) [L\u00e3o +B\u1ec7nh], 3) T\u1eed.\u00a0 L\u00e3o v\u00e0 B\u1ec7nh th\u00ec c\u0169ng nh\u01b0 l\u00e0 m\u1ed9t, n\u00ean ch\u1ec9 c\u00f3 Sinh-L\u00e3o-T\u1eed?<\/span><\/p>\n

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\u0110\u1ed1i v\u1edbi c\u00e1c t\u00f4n gi\u00e1o<\/span> kh\u00e1c, s\u1ed1 3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/span> \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n<\/span> cho c\u00e1c t\u1ea7ng tr\u1eddi.\u00a0 S\u1ed1 3 c\u0169ng c\u00f3 \u00fd ngh\u0129a<\/span> \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn kh\u00f4ng ch\u1ec9 trong Ba ng\u00f4i nh\u1ea5t th\u1ec3<\/span>, m\u00e0 c\u00f2n trong Ba nh\u00e0 th\u00f4ng th\u00e1i<\/span> v\u00e0 trong ki\u1ebfn tr\u00fac nh\u00e0 th\u1edd.\u00a0 Trong Kito gi\u00e1o, s\u1ed1 3 \u0111\u1ea1i di\u1ec7n<\/span> cho Thi\u00ean Ch\u00faa Ba Ng\u00f4i – Ch\u00faa Cha, Ch\u00faa Con v\u00e0 Ch\u00faa Th\u00e0nh Th\u1ea7n<\/span>.<\/span><\/p>\n

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S\u1ed1 3 c\u0169ng c\u00f3 \u00fd ngh\u0129a<\/span> quan tr\u1ecdng trong th\u1ea7n tho\u1ea1i<\/span> B\u1eafc \u00c2u. V\u00ed d\u1ee5, Thor \u0111\u00e3 s\u1eed d\u1ee5ng<\/span> ba v\u0169 kh\u00ed ch\u00ednh \u0111\u1ec3 ch\u1ed1ng l\u1ea1i<\/span> nh\u1eefng ng\u01b0\u1eddi kh\u1ed5ng l\u1ed3.<\/span><\/p>\n

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Ngo\u00e0i ra<\/span>, 3 \u0111i\u1ec3m t\u1ea1o ra m\u1eb7t ph\u1eb3ng, gh\u1ebf 3 ch\u00e2n, th\u1ebf ch\u00e2n v\u1ea1c, tam qu\u1ed1c<\/span>, tinh-kh\u00ed-th\u1ea7n h\u1ee3p nh\u1ea5t, …cho n\u00ean con s\u1ed1 3 n\u00e0y r\u1ea5t b\u00ed \u1ea9n<\/span> v\u00e0 \u0111\u1ea7y th\u00fa v\u1ecb<\/span> \u0111\u1ed1i v\u1edbi ch\u00ednh ta.<\/span><\/p>\n

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S\u1ed1 7<\/i><\/b><\/span><\/p>\n

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Khi sinh ra, \u0110\u1ee9c Ph\u1eadt<\/span> b\u01b0\u1edbc 7 b\u01b0\u1edbc, n\u1edf ra 7 \u0111o\u00e1 sen. \u00a0<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\"Nh\u1eefng

S\u1ed1 7 r\u1ea5t c\u00f3 \u00fd ngh\u0129a<\/span> trong Ph\u1eadt gi\u00e1o<\/span>.<\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

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Theo Kinh th\u00e1nh, Thi\u00ean Ch\u00faa l\u00e0 \u0111\u1ea5ng \u0111\u00e3 s\u00e1ng t\u1ea1o<\/span> ra v\u0169 tr\u1ee5<\/span>, mu\u00f4n lo\u00e0i trong 6 ng\u00e0y v\u00e0 ng\u00e0y th\u1ee9 7 Ng\u00e0i ngh\u1ec9 ng\u01a1i. Truy\u1ec1n th\u1ed1ng<\/span> c\u1ee7a ng\u01b0\u1eddi Do Th\u00e1i<\/span> cho r\u1eb1ng, s\u1ed1 7 l\u00e0 s\u1ed1 th\u00f4ng minh<\/span> v\u00e0 h\u1ecd c\u00f3 7 ng\u00e0y Th\u00e1nh l\u1edbn trong n\u0103m.<\/span><\/p>\n

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Ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n<\/span> nghi\u00ean c\u1ee9u<\/span> Alex Bellos cho bi\u1ebft<\/span>: “S\u1edf d\u0129 nhi\u1ec1u ng\u01b0\u1eddi t\u1ecf ra<\/span> t\u00f4n k\u00ednh<\/span> v\u1edbi s\u1ed1 7 l\u00e0 b\u1edfi n\u00f3 mang nhi\u1ec1u \u00fd ngh\u0129a<\/span> trong su\u1ed1t<\/span> l\u1ecbch s\u1eed<\/span> con ng\u01b0\u1eddi<\/span> v\u00e0 c\u00f3 t\u00ednh \u0111\u1ed9c \u0111\u00e1o r\u1ea5t ri\u00eang”.<\/i><\/span><\/p>\n

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Trong 10 s\u1ed1 t\u1ef1 nhi\u00ean<\/span> c\u01a1 b\u1ea3n, s\u1ed1 7 l\u00e0 s\u1ed1 ch\u1ec9 chia h\u1ebft cho 1 v\u00e0 ch\u00ednh n\u00f3. Kh\u00f4ng nh\u01b0 c\u00e1c s\u1ed1 6,8,10 chia \u0111\u01b0\u1ee3c cho 2 v\u00e0 9 chia h\u1ebft cho 3.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Con s\u1ed1 7 c\u00f2n t\u01b0\u1ee3ng tr\u01b0ng<\/span> cho s\u1ef1 th\u00e0nh t\u1ef1u<\/span> sinh h\u00f3a<\/span> c\u1ea3 v\u0169 tr\u1ee5<\/span> kh\u00f4ng gian<\/span> l\u00e0 \u0110\u00f4ng, T\u00e2y, Nam, B\u1eafc; th\u1eddi gian<\/span> l\u00e0 qu\u00e1 kh\u1ee9<\/span>, hi\u1ec7n t\u1ea1i<\/span>, t\u01b0\u01a1ng lai. \u00a0\u0110\u00e2y c\u0169ng l\u00e0 con s\u1ed1 th\u01b0\u1eddng xuy\u00ean<\/span> \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn trong c\u00e1c n\u1ec1n v\u0103n h\u00f3a<\/span>, l\u1ecbch s\u1eed<\/span> nh\u01b0 7 k\u1ef3 quan c\u1ed5 \u0111\u1ea1i c\u1ee7a th\u1ebf gi\u1edbi<\/span>, 7 ng\u00e0y trong tu\u1ea7n, 7 v\u00f2ng tr\u00f2n c\u1ee7a v\u0169 tr\u1ee5<\/span> hay c\u1ea7u v\u1ed3ng c\u00f3 7 m\u00e0u s\u1eafc (\u0111\u1ecf, v\u00e0ng, cam, l\u1ee5c, lam, ch\u00e0m, t\u00edm); \u00e2m nh\u1ea1c<\/span> c\u00f3 7 n\u1ed1t (\u0111\u1ed3, r\u00ea, mi, pha, son, la, si.)<\/span><\/p>\n

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C\u00e1c c\u1ee5 th\u01b0\u1eddng n\u00f3i: u\u1ed1n l\u01b0\u1ee1i 7 l\u1ea7n tr\u01b0\u1edbc khi n\u00f3i; trai u\u1ed1ng 7 h\u1edbp n\u01b0\u1edbc, g\u00e1i 9 h\u1edbp n\u01b0\u1edbc s\u1ebd h\u1ebft b\u1ecb \u2018n\u1ea5t c\u1ee5t;\u2019 v\u00e0 \u0111\u00eam 7 ng\u00e0y 3 ra v\u00e0o kh\u00f4ng k\u1ec3 cho nh\u1eefng k\u1ebb \u00e1i d\u1ee5c<\/span> t\u00ecnh?<\/span><\/p>\n

7×7 = 49, con s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u trong c\u00e1c bu\u1ed5i tang l\u1ec5 t\u1ea1i Trung Qu\u1ed1c<\/span>. Theo quan ni\u1ec7m<\/span>, h\u1ed3n ma s\u1ebd v\u1ea5t v\u01b0\u1edfng<\/span> t\u1ea1i d\u01b0\u01a1ng gian<\/span> trong v\u00f2ng<\/span> 49 ng\u00e0y sau khi t\u1ea1 th\u1ebf<\/span>. Lu\u1eadt l\u1ec7<\/span> truy\u1ec1n th\u1ed1ng<\/span> quy \u0111\u1ecbnh<\/span> ph\u1ea3i h\u00e0nh l\u1ec5<\/span> c\u1ea7u kinh<\/span> \u0111\u1ebfn khi h\u1ecd si\u00eau tho\u00e1t<\/span>.<\/span><\/p>\n

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Trong The Conversation, Steve Humble MBE l\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u<\/span> v\u1ec1 ph\u00e1t tri\u1ec3n v\u00e0 gi\u00e1o d\u1ee5c<\/span> qu\u1ed1c t\u1ebf, v\u00e0 l\u00e0 tr\u01b0\u1edfng khoa S\u01b0 ph\u1ea1m To\u00e1n b\u1eadc Ti\u1ec3u v\u00e0 Trung h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc<\/span> Newcastle, Anh vi\u1ebft, \u201cN\u0103m 1956, nh\u00e0 t\u00e2m l\u00fd h\u1ecdc<\/span> George A Miller xu\u1ea5t b\u1ea3n m\u1ed9t b\u00e0i vi\u1ebft trong T\u1ea1p ch\u00ed T\u00e2m<\/span> l\u00fd H\u1ecdc v\u1edbi ti\u00eau \u0111\u1ec1<\/span> \u201cS\u1ed1 b\u1ea3y k\u1ef3 di\u1ec7u<\/span>, c\u1ed9ng ho\u1eb7c tr\u1eeb hai. Trong b\u00e0i vi\u1ebft, \u00f4ng n\u00f3i v\u1ec1 s\u1ed1 7, l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1<\/span> m\u00e0 \u00f4ng g\u1eb7p \u1edf nhi\u1ec1u n\u01a1i. V\u00ed d\u1ee5, trong t\u00f4n gi\u00e1o<\/span>, r\u1ea5t nhi\u1ec1u \u0111i\u1ec1u li\u00ean quan<\/span> t\u1edbi s\u1ed1 7, nh\u01b0 B\u1ea3y t\u1ed9i \u0111\u00e1ng ch\u1ebft<\/span>, B\u1ea3y l\u1eddi th\u1ec1<\/span>. C\u00f2n nh\u1eefng ng\u01b0\u1eddi b\u00e1n h\u00e0ng tin v\u00e0o \u201cquy t\u1eafc s\u1ed1 7\u201d, n\u00f3i r\u1eb1ng ng\u01b0\u1eddi ta c\u1ea7n nghe m\u1ed9t th\u00f4ng \u0111i\u1ec7p<\/span> b\u00e1n h\u00e0ng b\u1ea3y l\u1ea7n tr\u01b0\u1edbc khi c\u00f3 h\u00e0nh \u0111\u1ed9ng. Tuy nhi\u00ean<\/span>, Miller n\u00f3i r\u1eb1ng \u0111\u00e2y kh\u00f4ng \u0111\u01a1n thu\u1ea7n<\/span> l\u00e0 s\u1ef1 tr\u00f9ng h\u1ee3p<\/span>.<\/i><\/span><\/p>\n

\u00a0<\/i><\/span><\/p>\n

K\u00fd \u1ee9c ng\u1eafn h\u1ea1n c\u1ee7a ch\u00fang ta<\/span> \u0111\u01b0\u1ee3c ch\u1ee9ng minh<\/span> l\u00e0 c\u00f3 hi\u1ec7u qu\u1ea3<\/span> t\u1ed1t khi nh\u1edb t\u1ed1i \u0111a 7 \u0111i\u1ec1u. Ch\u00fang ta<\/span> c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t<\/span> v\u00e0 \u0111\u00e1nh gi\u00e1<\/span> v\u1ec1 b\u1ea3y ch\u1ee7ng lo\u1ea1i kh\u00e1c nhau. T\u1ea7m ch\u00fa \u00fd c\u1ee7a ch\u00fang ta<\/span> c\u0169ng s\u1ebd nh\u1edb \u0111\u01b0\u1ee3c kho\u1ea3ng b\u1ea3y v\u1eadt th\u1ec3 khi li\u1ebfc m\u1eaft. Miller c\u0169ng kh\u00e1m ph\u00e1<\/span> c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c li\u00ean quan<\/span> t\u1edbi vi\u1ec7c ch\u00fang ta<\/span> ghi nh\u1eadn<\/span> v\u00e0 l\u01b0u gi\u1eef th\u00f4ng tin v\u00e0 ng\u1ea1c nhi\u00ean<\/span> ph\u00e1t hi\u1ec7n r\u1eb1ng s\u1ed1 b\u1ea3y d\u01b0\u1eddng nh\u01b0 xu\u1ea5t hi\u1ec7n<\/span> \u1edf m\u1ecdi n\u01a1i<\/span>. T\u00f3m l\u1ea1i<\/span>, Miller kh\u00f4ng \u0111\u01b0a ra k\u1ebft lu\u1eadn<\/span> r\u1eb1ng \u0111i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a<\/span> g\u00ec s\u00e2u s\u1eafc, nh\u01b0ng n\u00f3i r\u1eb1ng r\u1ea5t c\u00f3 th\u1ec3 s\u1ed1 b\u1ea3y \u0111\u1eb7c bi\u1ec7t<\/span> h\u01a1n nh\u1eefng g\u00ec ch\u00fang ta<\/span> v\u1eabn t\u01b0\u1edfng v\u00e0 c\u1ea7n nghi\u00ean c\u1ee9u<\/span> th\u00eam.\u201d<\/i><\/span><\/p>\n

\u00a0<\/i><\/span><\/p>\n

S\u1ed1 142857\u00a0<\/i><\/b><\/span><\/p>\n

\u0110\u00e2y c\u00f3 l\u1ebd l\u00e0 s\u1ed1 v\u00f2ng (cyclic number) n\u1ed5i ti\u1ebfng<\/span> nh\u1ea5t trong h\u1ec7 th\u1eadp ph\u00e2n. Khi nh\u00e2n 142857 v\u1edbi c\u00e1c s\u1ed1 t\u1eeb 1 \u0111\u1ebfn 6, k\u1ebft qu\u1ea3 \u0111\u1ec1u l\u00e0 s\u1ef1 ho\u00e1n v\u00e0 d\u1ecbch chuy\u1ec3n c\u1ee7a\u00a0142857, ri\u00eang nh\u00e2n v\u1edbi s\u1ed1 7 th\u00ec k\u1ebft qu\u1ea3 s\u1ebd l\u00e0 999999.<\/span><\/p>\n

\"Nh\u1eefng

Ch\u1eafc c\u00f3 l\u1ebd ch\u00fang ta<\/span> s\u1ebd th\u1eafc m\u1eafc r\u1eb1ng v\u1edbi nh\u1eefng s\u1ed1 l\u1edbn h\u01a1n 7 th\u00ec quy lu\u1eadt<\/span> n\u00e0y s\u1ebd ti\u1ebfp di\u1ec5n<\/span> nh\u01b0 th\u1ebf n\u00e0o? \u0110\u00e2y c\u00f3 l\u1ebd l\u00e0 t\u00ednh ch\u1ea5t<\/span> khi\u1ebfn cho s\u1ed1 142857 tr\u1edf n\u00ean cu\u1ed1n h\u00fat h\u01a1n n\u1eefa: ch\u00fang ta<\/span> h\u00e3y l\u1ea5y 6 ch\u1eef s\u1ed1 ngo\u00e0i c\u00f9ng b\u00ean ph\u1ea3i c\u1ee7a k\u1ebft qu\u1ea3, c\u1ed9ng v\u1edbi ph\u1ea7n c\u00f2n l\u1ea1i \u1edf b\u00ean tr\u00e1i, li\u00ean t\u1ee5c<\/span> cho \u0111\u1ebfn<\/span> khi k\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t con s\u1ed1 c\u00f3 6 ch\u1eef s\u1ed1. \u00a0Ch\u00fang ta<\/span> s\u1ebd ng\u1ea1c nhi\u00ean<\/span> v\u1ec1\u00a0k\u1ebft qu\u1ea3 c\u1ee7a ph\u00e9p c\u1ed9ng li\u00ean t\u1ee5c<\/span> n\u00e0y s\u1ebd lu\u00f4n l\u00e0 1 trong 7\u00a0ch\u1eef s\u1ed1 n\u00eau tr\u00ean. V\u00ed d\u1ee5 nh\u01b0:<\/span><\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2015 * 142857 \u00a0= 287.856855<\/span><\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0287 + 856855 = 857142<\/span><\/p>\n

hay nh\u01b0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a020152015 * 142857 \u00a0=\u00a02878856.406855<\/span><\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2878856 + 406855 =\u00a03.285711<\/span><\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3 +\u00a0285711 \u00a0 =\u00a0285714<\/span><\/p>\n

\u1ede m\u1ed9t kh\u00eda c\u1ea1nh kh\u00e1c, c\u0169ng \u0111\u1eb7c bi\u1ec7t<\/span> kh\u00f4ng k\u00e9m: 142857 l\u00e0 ph\u1ea7n th\u1eadp ph\u00e2n v\u00f4 h\u1ea1n tu\u1ea7n ho\u00e0n<\/span> c\u1ee7a 1\/7, c\u00f3 ngh\u0129a l\u00e0: 1\/7 = 0.142857142857142857\u2026 Hay l\u00e0\u00a0\u0111i\u1ec1u huy\u1ec1n b\u00ed v\u1ed1n xu\u1ea5t ph\u00e1t<\/span> t\u1eeb s\u1ed1 7? Ph\u1ea3i ch\u0103ng<\/span> tri\u1ebft l\u00fd trong\u00a0Ph\u1eadt gi\u00e1o<\/span> coi tr\u1ecdng s\u1ed1 7 l\u00e0 ho\u00e0n to\u00e0n<\/span> c\u00f3 c\u01a1 s\u1edf?<\/b><\/span><\/p>\n

S\u1ed1 8<\/i><\/b><\/span><\/p>\n

Con s\u1ed1 8 n\u00e0y t\u01b0\u01a1ng t\u1ef1<\/span> nh\u01b0 8 \u0111i\u1ec1u b\u1ea5t t\u1eed<\/span> trong \u0111\u1ea1o L\u00e3o<\/span> hay B\u00e1t Ch\u00e1nh \u0110\u1ea1o<\/span> trong Ph\u1eadt Gi\u00e1o<\/span> t\u01b0\u1edfng ch\u1eebng nh\u01b0 h\u1ebft s\u1ee9c<\/span> \u0111\u01a1n gi\u1ea3n<\/span>, nh\u01b0ng \u00edt ai bi\u1ebft \u0111\u01b0\u1ee3c m\u1ed9t quy lu\u1eadt<\/span> r\u1ea5t \u0111\u1ed9c \u0111\u00e1o c\u1ee7a s\u1ed1 8 nh\u01b0 m\u1ed9t v\u00f2ng nh\u00e2n duy\u00ean<\/span>, \u0111\u1ebfm t\u1eeb 1 \u0111\u1ebfn 9 r\u1ed3i t\u1eeb 9 \u0111\u1ebfn 1:<\/span><\/p>\n

\"Nh\u1eefng

S\u1ed1 8 \u0111\u01b0\u1ee3c cho l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng<\/span> c\u1ee7a v\u00f4 c\u1ef1c<\/span> v\u00e0 thi\u00ean \u0111\u01b0\u1eddng<\/span>. Theo quan ni\u1ec7m<\/span> c\u1ee7a ng\u01b0\u1eddi Trung Qu\u1ed1c<\/span> v\u00e0 Vi\u1ec7t Nam<\/span>, s\u1ed1 8 c\u00f3 ngh\u0129a l\u00e0 t\u1ed1t \u0111\u1eb9p<\/span>, m\u1ecdi th\u1ee9 \u0111\u1ec1u ph\u00e1t tri\u1ec3n kh\u00f4ng c\u00f3 \u0111i\u1ec3m d\u1eebng t\u01b0\u1ee3ng tr\u01b0ng<\/span> cho s\u1ef1 gi\u00e0u c\u00f3<\/span> v\u00e0 may m\u1eafn<\/span> m\u00e3i tr\u01b0\u1eddng t\u1ed3n<\/span>. \u00a0Con s\u1ed1 8 \u0111\u01b0\u1ee3c tin l\u00e0 r\u1ea5t may m\u1eafn<\/span> trong l\u0129nh v\u1ef1c kinh doanh.\u00a0 C\u1eb7p s\u1ed1 8 (88) th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong bu\u1ed5i h\u00f4n l\u1ec5<\/span> nh\u1eb1m th\u1ec3 hi\u1ec7n<\/span> ni\u1ec1m h\u00e2n hoan<\/span> v\u00e0 c\u1eb7p \u0111\u00f4i \u0111\u01b0\u1ee3c h\u1ea1nh ph\u00fac<\/span>.\u00a0 S\u1ed1 8: Phi\u00ean \u00e2m l\u00e0 ba (b\u00e1t), s\u1ed1 8 trong ti\u1ebfng qu\u1ea3ng \u0111\u00f4ng ph\u00e1t \u00e2m<\/span> g\u1ea7n gi\u1ed1ng ch\u1eef ph\u00e1t (ph\u00e1t t\u00e0i), trong d\u1ecbp n\u0103m m\u1edbi h\u1ecd th\u01b0\u1eddng ch\u00fac nhau 8 ch\u1eef: \u201cCh\u00fac m\u1eebng n\u0103m m\u1edbi, cung h\u1ef7 ph\u00e1t t\u00e0i!\u201d<\/span><\/p>\n

\u1ede ph\u01b0\u01a1ng T\u00e2y, s\u1ed1 8 l\u00e0 con s\u1ed1 c\u1ee7a t\u00ednh hi\u1ec7u qu\u1ea3<\/span>, quy\u1ec1n l\u1ef1c<\/span>, s\u1ee9c m\u1ea1nh<\/span> v\u00e0 t\u00f4n k\u00ednh<\/span>. N\u00f3 \u0111\u1ea1i di\u1ec7n<\/span> cho s\u1ef1 th\u00e0nh c\u00f4ng<\/span> v\u00e0 th\u1ecbnh v\u01b0\u1ee3ng<\/span>.<\/span><\/p>\n

S\u1ed1 18, 36, v\u00e0 108<\/i><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

Trong Ph\u1eadt h\u1ecdc<\/span> th\u00ec con s\u1ed1 108 t\u01b0\u1ee3ng tr\u01b0ng<\/span> cho 108 phi\u1ec1n n\u00e3o<\/span> (Kle\u015b\u0101) c\u1ee7a con ng\u01b0\u1eddi<\/span>. L\u1ee5c gi\u00e1c (th\u1ecb gi\u00e1c<\/span>, th\u00ednh gi\u00e1c<\/span>, v\u1ecb gi\u00e1c<\/span>, kh\u1ee9u gi\u00e1c<\/span>, c\u1ea3m gi\u00e1c<\/span>, v\u00e0 th\u1ee9c gi\u00e1c) nh\u00e2n l\u00e0m ba, t\u1ee9c ba lo\u1ea1i ph\u1ea3n \u1ee9ng<\/span> (l\u1ea1c, kh\u1ed5, v\u00f4 k\u00fd<\/span>) th\u00ec ra con s\u1ed1 18. M\u01b0\u1eddi t\u00e1m nh\u00e2n hai, t\u1ee9c hai th\u1ec3 (thi\u1ec7n hay b\u1ea5t thi\u1ec7n<\/span>) th\u00ec c\u00f3 con s\u1ed1 36. Ba m\u01b0\u01a1i s\u00e1u nh\u00e2n ba, t\u1ee9c ba th\u1eddi (qu\u00e1 kh\u1ee9<\/span>, hi\u1ec7n t\u1ea1i<\/span>, v\u00e0 v\u1ecb lai<\/span>) th\u00ec l\u00e0 con s\u1ed1 108 phi\u1ec1n n\u00e3o<\/span>.\u00a0 Ngo\u00e0i ra<\/span> trong T\u00e2y Du K\u00fd<\/span>, c\u00f2n c\u00f3 36 ph\u00e9p th\u1ea7n th\u00f4ng<\/span> c\u1ee7a Nh\u1ecb Lang Th\u1ea7n D\u01b0\u01a1ng Ti\u1ec3n, v\u00e0 72 (36×2=72) ph\u00e9p bi\u1ebfn h\u00f3a<\/span> c\u1ee7a T\u00f4n Ng\u1ed9 Kh\u00f4ng<\/span>.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Ph\u1eadt gi\u00e1o Vi\u1ec7t Nam<\/span> th\u00ec gi\u1ea3i th\u00edch<\/span> l\u00e0 khi l\u1ee5c c\u0103n<\/span> (m\u1eaft, tai, m\u0169i, l\u01b0\u1ee1i, th\u00e2n v\u00e0 \u00fd) kh\u00f4ng thanh t\u1ecbnh<\/span> v\u00ec thi\u1ebfu l\u1ee5c th\u1ee9c<\/span> (nh\u00e3n th\u1ee9c<\/span>, nh\u0129 th\u1ee9c<\/span>, t\u1ef7 th\u1ee9c<\/span>, thi\u1ec7t th\u1ee9c<\/span>, th\u00e2n th\u1ee9c<\/span> v\u00e0 \u00fd th\u1ee9c<\/span>) th\u00ec d\u1ec5 b\u1ecb dao \u0111\u1ed9ng<\/span> b\u1edfi l\u1ee5c tr\u1ea7n<\/span> (s\u1eafc, thanh, h\u01b0\u01a1ng, v\u1ecb, x\u00fac v\u00e0 ph\u00e1p). S\u00e1u c\u0103n, s\u00e1u tr\u1ea7n<\/span>, v\u00e0 s\u00e1u th\u1ee9c c\u1ed9ng l\u1ea1i, th\u00e0nh ra th\u1eadp b\u00e1t gi\u1edbi<\/span> (18). Con s\u1ed1 n\u00e0y nh\u00e2n cho s\u00e1u phi\u1ec1n n\u00e3o<\/span> c\u0103n b\u1ea3n<\/span> (tham, s\u00e2n, si, m\u1ea1n, nghi, \u00e1c ki\u1ebfn<\/span>) th\u00ec l\u00e0 s\u1ed1 th\u00e0nh 108 (18×6 =108).<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Nh\u1eefng suy lu\u1eadn<\/span> sau \u0111\u00e2y t\u1eeb wikipedia ch\u1ec9 l\u00e0 ph\u1ecfng \u0111o\u00e1n<\/span> ch\u1ee9 kh\u00f4ng c\u00f3 ngu\u1ed3n d\u1eabn ch\u1ee9ng<\/span>:<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Chu\u1ed7i 108 h\u1ea1t l\u00e0 bi\u1ec3u th\u1ecb<\/span> cho c\u1ea7u ch\u1ee9ng 108 ph\u00e1p Tam Mu\u1ed9i<\/span> m\u00e0 \u0111o\u1ea1n tr\u1eeb 108 phi\u1ec1n n\u00e3o?<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Chu\u1ed7i 54 h\u1ea1t l\u00e0 bi\u1ec3u th\u1ecb<\/span> cho 54 c\u1ea5p v\u1ecb qu\u00e1 tr\u00ecnh tu h\u00e0nh<\/span> c\u1ee7a B\u1ed3 T\u00e1t<\/span>, t\u1ee9c l\u00e0 Th\u1eadp T\u00edn<\/span>, Th\u1eadp Tr\u00fa, Th\u1eadp H\u1ea1nh<\/span>. Th\u1eadp H\u1ed3i H\u01b0\u1edbng<\/span>, Th\u1eadp \u0110\u1ecba<\/span> v\u00e0 T\u1ee9 Thi\u1ec7n C\u0103n<\/span> Nh\u00e2n \u0110\u1ecba?<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Chu\u1ed7i 42 h\u1ea1t l\u00e0 bi\u1ec3u th\u1ecb<\/span> cho 42 c\u1ea5p v\u1ecb qu\u00e1 tr\u00ecnh tu h\u00e0nh<\/span> c\u1ee7a B\u1ed3 T\u00e1t<\/span>, t\u1ee9c l\u00e0 Th\u1eadp Tr\u00fa, Th\u1eadp H\u1ea1nh<\/span>, Th\u1eadp H\u1ed3i H\u01b0\u1edbng<\/span>, Th\u1eadp \u0110\u1ecba<\/span> v\u00e0 \u0110\u1eb3ng Gi\u00e1c<\/span>, Di\u1ec7u Gi\u00e1c?<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Chu\u1ed7i 27 h\u1ea1t l\u00e0 bi\u1ec3u th\u1ecb<\/span> cho 27 c\u1ea5p v\u1ecb c\u1ee7a Ti\u1ec3u Th\u1eeba<\/span> tu h\u00e0nh<\/span> T\u1ee9 H\u01b0\u1edbng<\/span> Qu\u1ea3, t\u1ee9c l\u00e0 18 b\u1eadc H\u1eefu H\u1ecdc<\/span> c\u1ee7a T\u1ee9 H\u01b0\u1edbng<\/span> Tam Qu\u1ea3<\/span> tr\u01b0\u1edbc, v\u1edbi 9 b\u1eadc V\u00f4 H\u1ecdc<\/span> c\u1ee7a \u0110\u1ec7 T\u1ee9 Qu\u1ea3<\/span> A La H\u00e1n?<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Chu\u1ed7i 21 h\u1ea1t l\u00e0 bi\u1ec3u th\u1ecb<\/span> cho 21 v\u1ecb, t\u1ee9c l\u00e0 Th\u1eadp \u0110\u1ecba<\/span>, Th\u1eadp Ba La M\u1eadt<\/span> v\u00e0 qu\u1ea3 v\u1ecb<\/span> Ph\u1eadt?<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Chu\u1ed7i 14 h\u1ea1t l\u00e0 bi\u1ec3u th\u1ecb<\/span> cho 14 Ph\u00e1p V\u00f4 \u00day<\/span> c\u1ee7a B\u1ed3 T\u00e1t<\/span> Qu\u00e1n Th\u1ebf<\/span> \u00c2m?<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Chu\u1ed7i 1.080 h\u1ea1t l\u00e0 bi\u1ec3u th\u1ecb<\/span> cho 10 c\u1ea3nh gi\u1edbi<\/span>, m\u1ed7i c\u1ea3nh gi\u1edbi<\/span> \u0111\u1ec1u c\u00f3 108, cho n\u00ean c\u1ed9ng th\u00e0nh 1.080?<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Chu\u1ed7i gi\u1ea3i th\u00edch<\/span> cu\u1ed1i c\u00f9ng<\/span> v\u1ec1 10 c\u1ea3nh gi\u1edbi<\/span> c\u1ee7a Ph\u1eadt Gi\u00e1o<\/span> tr\u00ean n\u00e0y theo t\u00f4i th\u1ea5y th\u00ec n\u00f3 t\u00ecnh c\u1edd<\/span> tr\u00f9ng h\u1ee3p<\/span> v\u1edbi 10 + 1 chi\u1ec1u kh\u00f4ng gian<\/span> (dimensions, c\u1ea3nh gi\u1edbi<\/span>, c\u00f5i) c\u1ee7a V\u1eadt L\u00fd<\/span> Gia Stephen Hawking?<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Nh\u1eefng con s\u1ed1 \u0111\u1ea7y th\u00fa v\u1ecb<\/span> kh\u00e1c<\/b><\/span><\/p>\n

\u00a0<\/b><\/span><\/p>\n

Ti\u1ebfn s\u1ef9 Curtis Cooper thu\u1ed9c \u0110\u1ea1i h\u1ecdc<\/span> Central Missouri \u0111\u00e3 t\u00ecm ra<\/span> s\u1ed1 nguy\u00ean t\u1ed1<\/span> l\u1edbn nh\u1ea5t \u0111\u01b0\u1ee3c bi\u1ebft t\u1edbi: (274207281) \u2013 1. N\u00f3 c\u00f3 \u0111\u1ed9 d\u00e0i kho\u1ea3ng 22 tri\u1ec7u ch\u1eef s\u1ed1 v\u00e0 n\u1ebfu in ra \u0111\u1ea7y \u0111\u1ee7 s\u1ebd ph\u1ea3i m\u1ea5t v\u00e0i ng\u00e0y \u0111\u1ec3 \u0111\u1ecdc xong. Vi\u1ec7c ph\u00e1t hi\u1ec7n ra<\/span> s\u1ed1 n\u00e0y l\u00e0 nh\u1edd c\u00f4ng tr\u00ecnh<\/span> h\u1ee3p t\u00e1c<\/span> c\u1ee7a nh\u1eefng t\u00ecnh nguy\u1ec7n<\/span> vi\u00ean s\u1eed d\u1ee5ng<\/span> ph\u1ea7n m\u1ec1m mi\u1ec5n ph\u00ed<\/span> GIMPS (B\u1ed9 t\u00ecm ki\u1ebfm<\/span> s\u1ed1 nguy\u00ean t\u1ed1<\/span> l\u1edbn qua Internet \u2013 Great Internet Mersenne Prime Search) \u0111\u1ec3 t\u00ecm ki\u1ebfm<\/span> c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1<\/span>.<\/span><\/p>\n

M\u1ed9t s\u1ed1 ch\u1ec9 chia h\u1ebft cho s\u1ed1 1 v\u00e0 ch\u00ednh n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1<\/span>. \u0110\u00e2y l\u00e0 danh s\u00e1ch c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1<\/span> nh\u1ecf h\u01a1n 100:\u00a0 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.<\/span><\/p>\n

In \u2018The 22 million digit number \u2026 and the amazing maths behind primes,\u2019 January 20, 2016 11.40am EST, The Conversations: \u201cIt is a quite extraordinary figure. Dr Curtis Cooper from the University of Central Missouri has found the largest-known prime number<\/a> \u2013 written (274207281<\/sup>)-1. It is around 22m digits long and, if printed in full, would take you days to read. Its discovery comes thanks to a collaborative project of volunteers who use freely available software called GIMPS<\/a> (Great Internet Mersenne Prime Search) to search for primes.<\/i><\/span><\/p>\n

A number which can only be divided by itself and 1 without a remainder is called a prime number<\/a>. Here is a list of the primes less than 100: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.\u201d<\/i><\/span><\/p>\n

\u00a0<\/span><\/p>\n

S\u1ed1 13 Xui X\u1ebbo<\/i><\/b><\/span><\/p>\n

\u00a0<\/b><\/span><\/p>\n

C\u00e1c con s\u1ed1 xu\u1ea5t hi\u1ec7n<\/span> \u1edf m\u1ecdi n\u01a1i<\/span> trong cu\u1ed9c s\u1ed1ng c\u1ee7a ch\u00fang ta<\/span>, v\u00e0 nhi\u1ec1u ni\u1ec1m tin<\/span> v\u00f4 c\u1edb<\/span> \u2013 c\u1ea3 x\u1ea5u l\u1eabn t\u1ed1t \u2013 \u0111\u00e3 xu\u1ea5t hi\u1ec7n<\/span> t\u1eeb nh\u1eefng con s\u1ed1. \u0110i\u1ec1u \u0111\u00e1ng l\u01b0u \u00fd<\/span> l\u00e0 nh\u1eefng con s\u1ed1 g\u1eafn v\u1edbi ni\u1ec1m tin<\/span> v\u00f4 c\u1edb<\/span> \u1ea5y h\u1ea7u nh\u01b0 \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1<\/span>. \u00a0Ni\u1ec1m tin<\/span> r\u1eb1ng s\u1ed1 13 kh\u00f4ng may m\u1eafn<\/span>, \u0111\u1eb7c bi\u1ec7t<\/span> l\u00e0 c\u00f3 nh\u1eefng ng\u01b0\u1eddi m\u1eafc ch\u1ee9ng s\u1ee3 Th\u1ee9 S\u00e1u ng\u00e0y 13.\u00a0<\/span><\/p>\n

\u00a0<\/span><\/p>\n

L\u1eddi gi\u1ea3i th\u00edch<\/span> ph\u1ed5 bi\u1ebfn<\/span> nh\u1ea5t cho s\u1ed1 13 kh\u00f4ng may m\u1eafn<\/span> n\u00f3i r\u1eb1ng t\u1ea1i b\u1eefa \u0103n<\/span> cu\u1ed1i c\u00f9ng<\/span> c\u00f3 \u0110\u1ee9c Ch\u00faa Jesus v\u00e0 12 t\u00f4ng \u0111\u1ed3<\/span>, ng\u01b0\u1eddi kh\u00e1ch th\u1ee9 13 l\u00e0 Judas Iscariot, sau n\u00e0y \u0111\u00e3 ph\u1ea3n b\u1ed9i \u0110\u1ee9c Ch\u00faa Jesus.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Gi\u1ea3i th\u01b0\u1edfng cho nh\u1eefng nh\u00e0 nghi\u00ean c\u1ee9u<\/span><\/i><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

C\u00e1c nh\u00e0 to\u00e1n h\u1ecdc \u0111\u00e3 t\u00ecm ki\u1ebfm<\/span> nh\u1eefng quy lu\u1eadt<\/span> trong c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1<\/span> h\u01a1n 3000 n\u0103m qua nh\u01b0ng ch\u1ec9 c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t ch\u00fat hi\u1ec3u bi\u1ebft<\/span>. H\u1ecd tin r\u1eb1ng s\u1ebd v\u1eabn c\u00f2n r\u1ea5t nhi\u1ec1u c\u00e1c quy lu\u1eadt<\/span> c\u1ee7a c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1<\/span> v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c t\u00ecm ra<\/span>. Ph\u00e1t hi\u1ec7n g\u1ea7n \u0111\u00e2y<\/span> l\u00e0 s\u1ef1 ti\u1ebfp n\u1ed1i<\/span> c\u1ee7a cu\u1ed9c t\u00ecm ki\u1ebfm<\/span> \u0111\u00f3.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Vi\u1ec7n to\u00e1n h\u1ecdc Clay \u0111ang treo gi\u1ea3i 1 tri\u1ec7u \u0110\u00f4 la M\u1ef9 cho b\u1ea5t k\u1ef3 ai c\u00f3 th\u1ec3 gi\u1ea3i \u0111\u01b0\u1ee3c \u201cB\u00e0i to\u00e1n Riemann.\u201d \u0110\u00e2y l\u00e0 m\u1ed9t b\u00e0i to\u00e1n \u0111\u1ed1 ph\u1ee9c t\u1ea1p<\/span> xu\u1ea5t ph\u00e1t<\/span> t\u1eeb nh\u1eefng n\u1ed7 l\u1ef1c<\/span> c\u1ee7a c\u00e1c nh\u00e0 to\u00e1n h\u1ecdc trong vi\u1ec7c t\u00ecm hi\u1ec3u<\/span> s\u1ef1 r\u1eafc r\u1ed1i<\/span> c\u1ee7a s\u1ed1 nguy\u00ean t\u1ed1<\/span>. V\u00e0 v\u00ec v\u1eady<\/span>, m\u1ed9t s\u1ed1 ng\u01b0\u1eddi cho r\u1eb1ng t\u00ecm ra<\/span> c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1<\/span> l\u1edbn h\u01a1n c\u00f3 th\u1ec3 gi\u00fap t\u00ecm \u0111\u01b0\u1ee3c l\u1eddi gi\u1ea3i cho b\u00e0i to\u00e1n n\u00e0y.<\/span><\/p>\n

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Ho\u1eb7c c\u00f3 th\u1ec3 b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm<\/span> \u201cs\u1ef1 th\u1eadt\u201d, \u0111i\u1ec1u m\u00e0 c\u00e1c nh\u00e0 to\u00e1n h\u1ecdc \u0111\u00e3 v\u00e0 \u0111ang l\u00e0m t\u1eeb r\u1ea5t l\u00e2u. Erastssthenes l\u00e0 m\u1ed9t nh\u00e0 to\u00e1n h\u1ecdc Hi L\u1ea1p l\u00e0m vi\u1ec7c t\u1ea1i th\u01b0 vi\u1ec7n t\u1ea1i Alexandra kho\u1ea3ng n\u0103m 200 Tr\u01b0\u1edbc C\u00f4ng nguy\u00ean<\/span> khi \u00f4ng ph\u00e1t hi\u1ec7n ra<\/span> ph\u01b0\u01a1ng ph\u00e1p<\/span> \u0111\u1ea7u ti\u00ean li\u1ec7t k\u00ea<\/span> c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1<\/span>.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u00d4ng l\u00e0 ng\u01b0\u1eddi hi\u1ebfu h\u1ecdc (\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Philogus, c\u00f3 ngh\u0129a l\u00e0 \u201cNg\u01b0\u1eddi hi\u1ebfu h\u1ecdc\u201d). \u00d4ng g\u1ecdi ph\u01b0\u01a1ng ph\u00e1p<\/span> c\u1ee7a m\u00ecnh l\u00e0 \u201cc\u00e1i s\u00e0ng,\u201d v\u00ec s\u1ed1 nguy\u00ean t\u1ed1<\/span> s\u1ebd xu\u1ea5t hi\u1ec7n<\/span> khi \u00e1p d\u1ee5ng<\/span> ph\u01b0\u01a1ng ph\u00e1p<\/span> n\u00e0y \u2013 v\u00e0 n\u00f3 mang m\u00e0u s\u1eafc \u201cs\u00e0ng l\u1ecdc\u201d s\u1ed1 nguy\u00ean t\u1ed1<\/span>.<\/span><\/p>\n

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Tr\u01b0\u1edbc h\u1ebft h\u00e3y l\u01b0u \u00fd<\/span> r\u1eb1ng n\u1ebfu n l\u00e0 h\u1ee3p s\u1ed1, ngh\u0129a l\u00e0 n=ab, th\u00ec a v\u00e0 b kh\u00f4ng th\u1ec3 c\u00f9ng v\u01b0\u1ee3t qu\u00e1<\/span> \u221an. V\u00ed d\u1ee5, v\u1edbi h\u1ee3p s\u1ed1 \u201c21\u201d\u2014 21=3\u00d77\u2014 ch\u1ec9 c\u00f3 s\u1ed1 7 l\u00e0 l\u1edbn h\u01a1n \u221a21 = 4.58. V\u00ec th\u1ebf, \u00f4ng k\u1ebft lu\u1eadn<\/span> r\u1eb1ng b\u1ea5t k\u1ef3 h\u1ee3p s\u1ed1 n n\u00e0o \u0111\u1ec1u c\u00f3 th\u1ec3 chia h\u1ebft cho m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1<\/span> p kh\u00f4ng v\u01b0\u1ee3t qu\u00e1<\/span> \u221an.<\/span><\/p>\n

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Theo \u0111\u00f3 \u0111\u1ec3 ki\u1ebfm tra m\u1ed9t s\u1ed1 c\u00f3 ph\u1ea3i l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1<\/span> hay kh\u00f4ng, ch\u1ec9 c\u1ea7n chia s\u1ed1 \u0111\u00f3 cho c\u00e1c s\u1ed1 nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng c\u0103n b\u1eadc hai c\u1ee7a n\u00f3. \u0110\u1ec3 t\u00ecm ra<\/span> s\u1ed1 nguy\u00ean t\u1ed1<\/span> t\u1eeb 2 t\u1edbi 30, ch\u00fang ta<\/span> ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng<\/span> th\u1ef1c t\u1ebf<\/span> l\u00e0 \u221a30 nh\u1ecf h\u01a1n 7, v\u00e0 sau \u0111\u00f3 th\u1eed chia cho c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1<\/span> 2, 3 v\u00e0 5.<\/span><\/p>\n

V\u00ec v\u1eady<\/span>, n\u1ebfu b\u1ea1n vi\u1ebft ra danh s\u00e1ch c\u00e1c s\u1ed1 t\u1eeb 2 t\u1edbi 30 l\u00ean m\u1ed9t t\u1edd gi\u1ea5y, ch\u00fang ta<\/span> c\u00f3 th\u1ec3 \u201cs\u00e0ng l\u1ecdc\u201d b\u1ecf \u0111i c\u00e1c s\u1ed1 chia h\u1ebft cho 2,3 v\u00e0 5 th\u00ec ch\u00fang ta<\/span> s\u1ebd \u0111\u01b0\u1ee3c c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1<\/span> l\u00e0 2,3,5,7,11,13,17,19,23 v\u00e0 29.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u0110\u1ecbnh l\u00fd cu\u1ed1i c\u00f9ng<\/span> c\u1ee7a Fermat (Fermat’s Last Theorem) <\/i><\/b><\/span><\/p>\n

\u00a0<\/i><\/b><\/span><\/p>\n

\u0110\u1ecbnh l\u00fd cu\u1ed1i c\u00f9ng<\/span> c\u1ee7a Fermat (Fermat’s Last Theorem) \u0111\u01b0\u1ee3c \u0111\u01b0a ra b\u1edfi nh\u00e0 to\u00e1n h\u1ecdc ng\u01b0\u1eddi Ph\u00e1p Pierre de Fermat v\u00e0o n\u0103m 1637. \u00a0Hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n<\/span>, \u0111\u1ecbnh l\u00fd n\u00e0y ph\u00e1t bi\u1ec3u<\/span>: “Kh\u00f4ng t\u00ecm \u0111\u01b0\u1ee3c b\u1ed9 ba s\u1ed1 nguy\u00ean, t\u00f4i g\u1ecdi l\u00e0 tam nguy\u00ean<\/span><\/b>, x, y, z n\u00e0o th\u1ecfa m\u00e3n<\/span> \u0111\u1eb3ng th\u1ee9c: xn<\/sup> + yn<\/sup> =zn<\/sup> v\u1edbi b\u1ea5t k\u1ef3 s\u1ed1 t\u1ef1 nhi\u00ean<\/span> n, n>2<\/em>.”<\/span><\/p>\n

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M\u1ed9t gi\u00e1o s\u01b0 Oxford, Anh Qu\u1ed1c, Sir Andrew Wiles m\u1edbi \u0111\u00e2y<\/span> \u0111\u00e3 \u0111\u01b0\u1ee3c trao gi\u1ea3i th\u01b0\u1edfng Abel c\u00f9ng 700.000 USD cho c\u00f4ng tr\u00ecnh<\/span> nghi\u00ean c\u1ee9u<\/span> ch\u1ee9ng minh<\/span> m\u1ed9t trong nh\u1eefng \u0111\u1ecbnh l\u00fd to\u00e1n h\u1ecdc n\u1ed5i ti\u1ebfng<\/span> nh\u1ea5t c\u00f3 tu\u1ed5i g\u1ea7n 4 th\u1ebf k\u1ef7.<\/span><\/p>\n

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V\u00e0o nh\u1eefng n\u0103m 1960, khi m\u1edbi 10 tu\u1ed5i, c\u1eadu b\u00e9 Andrew Wiles \u0111\u00e3 b\u1ecb \u00e1m \u1ea3nh<\/span> b\u1edfi m\u1ed9t cu\u1ed1n s\u00e1ch \u1edf th\u01b0 vi\u1ec7n \u0111\u1ecba ph\u01b0\u01a1ng v\u1edbi t\u1ef1a \u0111\u1ec1 The Last Problem. Cu\u1ed1n s\u00e1ch n\u00e0y tr\u00ecnh b\u00e0y chi ti\u1ebft<\/span> m\u1ed9t \u0111\u1ecbnh l\u00fd c\u00f3 t\u1edbi 330 n\u0103m tu\u1ed5i nh\u01b0ng l\u1ea1i ch\u01b0a \u0111\u01b0\u1ee3c ch\u1ee9ng minh<\/span>: \u0110\u1ecbnh l\u00fd cu\u1ed1i c\u00f9ng<\/span> c\u1ee7a Fermat, hay c\u00f2n g\u1ecdi l\u00e0 \u0110\u1ecbnh l\u00fd l\u1edbn Fermat (Fermat’s Last Theorem – FLT)<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u00a0\"Nh\u1eefng

Gi\u00e1o s\u01b0 Andrew Wiles c\u00f9ng ph\u01b0\u01a1ng tr\u00ecnh Fermat v\u00e0o n\u0103m 1998. \u1ea2nh: Charles Rex Arbogast \/ AP<\/b><\/em><\/span><\/p>\n

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Nhi\u1ec1u th\u1eadp k\u1ef7 \u0111\u00e3 qua, c\u1eadu b\u00e9 10 tu\u1ed5i \u1ea5y gi\u1edd l\u00e0 Gi\u00e1o s\u01b0 to\u00e1n h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc<\/span> Oxford (Anh), m\u1edbi \u0111\u00e2y<\/span> \u0111\u00e3 \u0111\u01b0\u1ee3c trao t\u1eb7ng gi\u1ea3i th\u01b0\u1edfng Abel 2016, m\u1ed9t gi\u1ea3i th\u01b0\u1edfng \u0111\u01b0\u1ee3c v\u00ed nh\u01b0<\/span> gi\u1ea3i Nobel to\u00e1n h\u1ecdc b\u1edfi ch\u00ednh \u0111i\u1ec1u \u0111\u00e3 thu h\u00fat \u00f4ng t\u1eeb khi c\u00f2n l\u00e0 m\u1ed9t c\u1eadu b\u00e9.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Gi\u1ea3i th\u01b0\u1edfng n\u00e0y \u0111\u01b0\u1ee3c trao b\u1edfi Vi\u1ec7n H\u00e0n l\u00e2m<\/span> Khoa h\u1ecdc v\u00e0 V\u0103n ch\u01b0\u01a1ng<\/span> Na Uy c\u00f9ng v\u1edbi m\u1ed9t kho\u1ea3n ti\u1ec1n m\u1eb7t h\u01a1n 70.000 USD, trong \u0111\u00f3, nh\u1eefng ng\u01b0\u1eddi b\u00ecnh x\u00e9t gi\u1ea3i th\u01b0\u1edfng \u0111\u00e3 m\u00f4 t\u1ea3<\/span> v\u1ec1 th\u00e0nh t\u1ef1u<\/span> c\u1ee7a gi\u00e1o s\u01b0 Wiles nh\u01b0 l\u00e0 “m\u1ed9t th\u1eddi kh\u1eafc<\/span> l\u1ecbch s\u1eed<\/span> c\u1ee7a ng\u00e0nh to\u00e1n h\u1ecdc.”<\/span><\/p>\n

\u00a0<\/span><\/p>\n

C\u00e1c s\u1ed1 b\u00ed \u1ea9n<\/span> kh\u00e1c<\/b><\/span><\/p>\n

\u00a0<\/b><\/span><\/p>\n

S\u1ed1 nguy\u00ean t\u1ed1<\/span> l\u00e0 c\u00e1c con s\u1ed1 k\u1ef3 l\u1ea1 v\u00e0 kh\u00eau g\u1ee3i tr\u00ed t\u00f2 m\u00f2. V\u00ed d\u1ee5, kh\u00f4ng c\u00f3 s\u1ed1 nguy\u00ean t\u1ed1<\/span> n\u00e0o gi\u1eefa 370.261 v\u00e0 370.374, ho\u1eb7c gi\u1eefa s\u1ed1 20.831.323 v\u00e0 20.831.533. C\u00f2n c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1<\/span> 13.331, 15.551, 16.661, 19.991, 72.227 v\u00e0 1.777.771 l\u00e0 nh\u1eefng v\u00ed d\u1ee5 v\u1ec1 c\u00e1c s\u1ed1 \u0111\u1ecdc xu\u00f4i ng\u01b0\u1ee3c \u0111\u1ec1u nh\u01b0 nhau. C\u00e1c s\u1ed1 n\u00e0y kh\u00f4ng \u0111\u1ed5i khi ch\u1eef s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u1ea3o t\u1eeb cu\u1ed1i l\u00ean \u0111\u1ea7u.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

S\u1ed1 9<\/i><\/b><\/span><\/p>\n

S\u1ed1 9 c\u0169ng \u1ea9n ch\u1ee9a m\u1ed9t quy lu\u1eadt<\/span> kh\u00f4ng k\u00e9m ph\u1ea7n ng\u1ea1c nhi\u00ean<\/span>.\u00a0 S\u1ed1 9: Trong ti\u1ebfng Trung Qu\u1ed1c<\/span>, 9 \u0111\u01b0\u1ee3c phi\u00ean \u00e2m l\u00e0 jiu (c\u1eedu), t\u1ee9c mang \u00fd ngh\u0129a<\/span> l\u00e2u b\u1ec1n. N\u00f3 l\u00e0 ch\u1eef s\u1ed1 \u0111\u01a1n l\u1edbn nh\u1ea5t, t\u01b0\u1ee3ng tr\u01b0ng<\/span> cho \u0111\u1ea1i ph\u00fac<\/span>, \u0111\u1ea1i th\u1ecd<\/span> v\u00e0 \u0111\u1ea1i c\u00e1t. Ri\u00eang con s\u1ed1 10 (th\u1eadp) ho\u00e0n h\u1ea3o<\/span> l\u00e0 d\u00e0nh cho th\u1ea7n. Tr\u01b0\u1eddng h\u1ee3p<\/span> nh\u01b0 T\u1eed C\u1ea5m Th\u00e0nh c\u00f3 \u201c9999,5\u201d gian ph\u00f2ng; g\u1ea7n \u0111\u1ea1t \u0111\u1ebfn<\/span> s\u1ed1 10000 \u0111\u1ea1i bi\u1ec3u<\/span> cho s\u1ef1 ho\u00e0n h\u1ea3o<\/span> d\u1ea5u \u201c,\u201d \u0111\u1ea1i bi\u1ec3u<\/span> cho s\u1ef1 h\u01b0\u1edbng \u0111\u1ebfn thi\u00ean th\u01b0\u1ee3ng<\/span>.<\/span><\/p>\n

\"Nh\u1eefng

Ng\u00e0y th\u00e1ng n\u0103m sinh c\u1ee7a b\u1ea1n<\/i><\/b><\/span><\/p>\n

    <\/p>\n
  1. L\u1ea5y ng\u00e0y sinh c\u1ee7a b\u1ea1n nh\u00e2n v\u1edbi 25<\/span><\/li>\n

    <\/p>\n

  2. Sau \u0111\u00f3 c\u1ed9ng v\u1edbi 2255<\/span><\/li>\n

    <\/p>\n

  3. R\u1ed3i l\u1ea5y k\u1ebft qu\u1ea3 nh\u00e2n<\/span> v\u1edbi 4<\/span><\/li>\n

    <\/p>\n

  4. Tr\u1eeb \u0111i 4444<\/span><\/li>\n

    <\/p>\n

  5. C\u1ed9ng v\u1edbi th\u00e1ng sinh c\u1ee7a b\u1ea1n<\/span><\/li>\n

    <\/p>\n

  6. K\u1ebft qu\u1ea3 nh\u00e2n<\/span> v\u1edbi 50<\/span><\/li>\n

    <\/p>\n

  7. L\u1ea1i tr\u1eeb \u0111i 5500<\/span><\/li>\n

    <\/p>\n

  8. R\u1ed3i l\u1ea1i l\u1ea5y k\u1ebft qu\u1ea3 nh\u00e2n<\/span> v\u1edbi 2<\/span><\/li>\n

    <\/p>\n

  9. C\u1ed9ng v\u1edbi 2 ch\u1eef s\u1ed1 cu\u1ed1i trong n\u0103m sinh c\u1ee7a b\u1ea1n<\/span><\/li>\n

    <\/p>\n

  10. Tr\u1eeb \u0111i 446600<\/span><\/li>\n

    <\/ol>\n

    Ng\u00e0y th\u00e1ng n\u0103m sinh c\u1ee7a b\u1ea1n th\u1eadt \u0111\u1eb7c bi\u1ec7t<\/span>, \u0111\u00fang kh\u00f4ng n\u00e0o?<\/span><\/p>\n

    \u00a0<\/b><\/span><\/p>\n

    References: <\/b><\/span><\/p>\n

    \u00a0<\/b><\/span><\/p>\n

    https:\/\/theconversation.com\/the-22-million-digit-number-and-the-amazing-maths-behind-primes-53459<\/a><\/span><\/p>\n

    \u00a0<\/span><\/p>\n

    http:\/\/mathworld.wolfram.com\/FermatsLastTheorem.html<\/a><\/span><\/p>\n

    \u00a0<\/span><\/p>\n

    http:\/\/www.baomoi.com\/Chung-minh-dinh-ly-379-tuoi-giao-su-nguoi-Anh-nhan-700-000-USD\/c\/18935382.epi<\/a><\/span><\/p>\n

    \u00a0<\/span><\/p>\n

    http:\/\/www.telegraph.co.uk\/news\/science\/12198077\/Why-its-so-impressive-that-Fermats-last-theorem-has-been-solved.html<\/a><\/span><\/p>\n

    \u00a0<\/span><\/p>\n

    https:\/\/brilliant.org\/discussions\/thread\/proof-that-1-1-and-1-3\/<\/a><\/span><\/p>\n

    http:\/\/www.tangthuphathoc.net\/vn\/phvd\/tpt2-38.htm<\/a><\/span><\/p>\n

    \u00a0<\/span><\/p>\n

    http:\/\/kenh14.vn\/kham-pha\/tim-ra-con-so-may-man-duoc-ua-chuong-nhat-20140409092242641.chn<\/a><\/span><\/p>\n<\/div>\n

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