{"id":17771,"date":"2024-02-18T03:49:13","date_gmt":"2024-02-18T03:49:13","guid":{"rendered":"https:\/\/soicau1071.minhngocxoso.com\/soi-cau-lo-cam-va-cau-lo-tam-giac-sieu-chuan\/"},"modified":"2024-02-18T03:49:13","modified_gmt":"2024-02-18T03:49:13","slug":"soi-cau-lo-cam-va-cau-lo-tam-giac-sieu-chuan","status":"publish","type":"post","link":"https:\/\/soicauxosochinhxac.com\/soi-cau-lo-cam-va-cau-lo-tam-giac-sieu-chuan\/","title":{"rendered":"soi c\u1ea7u l\u00f4 c\u00e2m v\u00e0 c\u1ea7u l\u00f4 tam gi\u00e1c si\u00eau chu\u1ea9n"},"content":{"rendered":"
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<\/div>\n

Soi c\u1ea7u l\u00f4 c\u00e2m v\u00e0 c\u1ea7u l\u00f4 tam gi\u00e1c <\/strong>l\u00e0 g\u00ec ? m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 c\u1ee7a 2 ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u n\u00e0y l\u00e0 g\u00ec? h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u1edbi ch\u00fang t\u00f4i qua b\u00e0i vi\u1ebft n\u00e0y nh\u00e9.<\/p>\n

<\/span>L\u00f4 C\u00e2m L\u00e0 G\u00ec?<\/strong><\/h2>\n

L\u00f4 c\u00e2m ch\u00ednh l\u00e0 nh\u1eefng con s\u1ed1 kh\u00f4ng n\u1ed5 trong ng\u00e0y. <\/span>Theo t\u00ean th\u01b0\u1eddng g\u1ecdi m\u00e0 ch\u00fang t\u00f4i ph\u00e2n ra 2 lo\u1ea1i l\u00f4 c\u00e2m: L\u00f4 C\u00e2m \u0110\u1ea7u v\u00e0 L\u00f4 C\u00e2m \u0110u\u00f4i.<\/span>
\nTr\u01b0\u1edbc khi x\u00e1c \u0111\u1ecbnh \u0111\u00e2u l\u00e0 l\u00f4 c\u00e2m th\u00ec c\u00e1c b\u1ea1n c\u1ea7n nh\u1ea5t ph\u1ea3i x\u00e1c \u0111\u1ecbnh \u0111\u00f3 l\u00e0 \u0111\u1ea7u hay \u0111u\u00f4i l\u00f4 c\u1ee7a m\u1ed9t gi\u1ea3i. <\/span>\u0110\u1ec3 d\u1ec5 hi\u1ec3u h\u01a1n, ch\u00fang ta l\u1ea5y v\u00ed d\u1ee5:<\/span>
\nGi\u1ea3i 1 trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 h\u00f4m nay c\u00f3 03679. Nh\u00ecn v\u00e0o 2 con s\u1ed1 cu\u1ed1i c\u00f9ng l\u00e0 79. L\u00f4 h\u00f4m nay v\u1ec1 79, v\u1eady 7 l\u00e0 \u0111\u1ea7u l\u00f4, 9 l\u00e0 \u0111u\u00f4i (\u0111\u00edt) l\u00f4.<\/span>
\n\"x\u00e1c<\/p>\n

<\/span>C\u00e1ch x\u00e1c \u0111\u1ecbnh L\u00f4 c\u00e2m<\/strong><\/h2>\n

Sau khi bi\u1ebft c\u00e1ch x\u00e1c \u0111\u1ecbnh l\u00f4 c\u00e2m, b\u1ea1n s\u1ebd x\u00e9t h\u1ebft b\u1ea3ng 27 gi\u1ea3i \u0111\u1ec3 t\u00ecm xem c\u00f3 l\u00f4 c\u00e2m \u0111\u1ea7u n\u00e0o trong ng\u00e0y h\u00f4m \u0111\u00f3 hay kh\u00f4ng. Th\u1eadt ra th\u00ec c\u00e1c trang s\u1ed5 x\u1ed1 hi\u1ec7n \u0111\u1ea1i ng\u00e0y nay c\u0169ng \u0111\u00e3 th\u1ed1ng k\u00ea s\u1eb5n cho c\u00e1c b\u1ea1n. Nh\u00ecn v\u00e0o h\u00ecnh minh h\u1ecda b\u00ean d\u01b0\u1edbi b\u1ea1n s\u1ebd hi\u1ec3u \u0111\u01b0\u1ee3c h\u00f4m \u0111\u00f3 c\u00f3 l\u00f4 n\u00e0o c\u00e2m. Khi \u0111\u1ea7u l\u00f4 c\u00e2m, ta c\u00f3 :<\/span><\/p>\n

<\/span>C\u00e1ch Soi C\u1ea7u L\u00f4 Tam Gi\u00e1c<\/strong><\/h2>\n

T\u00ean th\u01b0\u1eddng g\u1ecdi l\u00e0 Soi c\u1ea7u tam gi\u00e1c v\u00e0 th\u1ef1c ra c\u00f3 kh\u00e1 \u00edt ng\u01b0\u1eddi bi\u1ebft \u0111\u1ebfn. L\u00fd do m\u00e0 \u0111\u01b0\u1ee3c \u00edt ng\u01b0\u1eddi bi\u1ebft \u0111\u1ebfn c\u00f3 l\u1ebd do h\u01a1i thi\u00ean v\u1ec1 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p v\u1eadt l\u00fd v\u00e0 to\u00e1n h\u1ecdc. \u0110\u00f2i h\u1ecfi s\u1ef1 t\u00ednh to\u00e1n k\u1ef9 l\u01b0\u1ee1ng n\u00ean c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi \u201ckh\u00f3 qu\u00e1 b\u1ecf qua\u201d. L\u00e2u d\u1ea7n ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u01b0u truy\u1ec1n kh\u00f4ng \u0111\u01b0\u1ee3c r\u1ed9ng r\u00e3i v\u00e0 c\u00f3 ph\u1ea7n b\u1ecb l\u00e3ng qu\u00ean, c\u00f3 ng\u01b0\u1eddi c\u00f2n cho r\u1eb1ng \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p v\u00f4 c\u0103n c\u1ee9.<\/span><\/p>\n

Nay ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn s\u01a1 l\u01b0\u1ee3c l\u1ea1i cho c\u00e1c c\u01b0\u1ee3c th\u1ee7 c\u1ee7a ch\u00fang ta tham kh\u1ea3o nh\u00e9. L\u01b0u \u00fd r\u1eb1ng \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng th\u1ee9c r\u1ea5t kh\u00e1c v\u1edbi ph\u01b0\u01a1ng th\u1ee9c <\/span>Soi C\u1ea7u Pascal <\/span>ch\u00fang t\u00f4i \u0111\u00e3 h\u01b0\u1edbng d\u1eabn \u1edf b\u00e0i tr\u01b0\u1edbc (d\u00f9 c\u0169ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p h\u00ecnh tam gi\u00e1c. V\u00ec c\u00e1i t\u00ean kh\u00e1 gi\u1ed1ng n\u00ean \u0111\u00f4i khi c\u00f3 s\u1ef1 nh\u1ea7m l\u1eabn.  <\/span>
\n<\/span>\u0110\u1eb7c bi\u1ec7t khi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y k\u1ebft h\u1ee3p v\u1edbi x\u00e1c su\u1ea5t th\u1ed1ng k\u00ea soi \u0111\u1ea7u \u0111\u00edt c\u00e2m th\u00ec to\u00e0n th\u1eafng.<\/span>
\nL\u01b0u \u00fd<\/strong> : c\u1ea7n n\u1eafm v\u1eefng c\u00e1ch <\/span>Qu\u1ea3n l\u00fd v\u1ed1n trong l\u00f4 \u0111\u1ec1<\/span>. H\u01a1n n\u1eefa l\u00e0 c\u1ea7n ph\u1ea3i l\u1eadp ra k\u1ebf ho\u1ea1ch ng\u1eafn h\u1ea1n trong v\u00f2ng t\u1eeb 2-3 ng\u00e0y. Nghe qua th\u00ec c\u00f3 v\u1ebb kh\u00e1 gi\u1ed1ng khung nu\u00f4i l\u00f4 nh\u01b0ng s\u1ebd c\u00f3 ch\u1ecdn l\u1ecdc h\u01a1n m\u1ed9t t\u00ed.<\/span><\/p>\n

<\/span>\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p Soi c\u1ea7u l\u00f4 tam gi\u00e1c m\u00e0 ch\u00fang t\u00f4i hay d\u00f9ng
\n<\/strong><\/h3>\n

\"soi-cau-tam-giac\"<\/p>\n

<\/span>Soi c\u1ea7u tam gi\u00e1c<\/strong><\/h3>\n

Ch\u00fang t\u00f4i \u0111\u00e3 v\u1ebd m\u1ed9t h\u00ecnh tam gi\u00e1c \u1edf h\u00ecnh tr\u00ean cho c\u00e1c b\u1ea1n d\u1ec5 h\u00ecnh dung. Ch\u00fang ta c\u00f3 m\u0169i tam gi\u00e1c h\u01b0\u1edbng v\u1ec1 gi\u1ea3i 6 (3 s\u1ed1 257). C\u00f2n ph\u1ea7n \u0111\u00e1y tam gi\u00e1c s\u1ebd t\u00e1ch gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t ra l\u00e0m 2 ph\u1ea7n. 03677 \/ 91142<\/span><\/p>\n

<\/span>Sau \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc t\u00ednh c\u1ee5 th\u1ec3<\/span><\/h4>\n

B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean:<\/b> Xem gi\u1ea3i nh\u1ea5t v\u00e0 gi\u1ea3 \u0111\u1eb7c bi\u1ec7t c\u00f3 con s\u1ed1 n\u00e0o kh\u00e1c l\u1ea1 nh\u1ea5t v\u1edbi c\u00e1c s\u1ed1 c\u00f2n l\u1ea1i.<\/span>
\nV\u00ed d\u1ee5: Trong gi\u1ea3i \u0110\u1eb7c Bi\u1ec7t ( 03677 ) c\u00f3:<\/span>
\n+ \u0111u\u00f4i 77 g\u1ed3m 2 s\u1ed1 : B\u1ecf qua<\/span>
\n+ s\u1ed1 gi\u1eefa l\u00e0 0 v\u00e0 6 l\u00e0 s\u1ed1 ch\u1eb5n : B\u1ecf qua<\/span>
\n+ Nh\u1eadn th\u1ea5y s\u1ed1 3 kh\u00e1c bi\u1ec7t nh\u1ea5t trong d\u00e3y s\u1ed1.<\/span>
\nT\u01b0\u01a1ng t\u1ef1, ch\u00fang ta x\u00e9t \u0111\u1ebfn d\u00e3y s\u1ed1 c\u1ee7a gi\u1ea3i Nh\u1ea5t : 91142<\/span>
\n+ c\u1eb7p 11 g\u1ed3m 2 s\u1ed1: B\u1ecf qua<\/span>
\n+ C\u00f3 4 v\u00e0 2 c\u00f9ng ch\u1eb5n (s\u1ed1 ch\u1eb5n) : B\u1ecf qua<\/span>
\n+ Nh\u1eadn th\u1ea5y 9 l\u00e0 s\u1ed1 kh\u00e1c bi\u1ec7t nh\u1ea5t<\/span>
\n=> ch\u00fang ta r\u00fat ra \u0111\u01b0\u1ee3c hai s\u1ed1 : 3 v\u00e0 9 trong 2 d\u00e3y s\u1ed1 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t<\/span>
\nB\u01b0\u1edbc ti\u1ebfp theo: <\/b>Ch\u1ec9 nh\u00ecn v\u00e0o gi\u1ea3i nh\u00ec v\u00e0 gi\u1ea3i 6, ch\u00fang ta nh\u1eadn th\u1ea5y \u0111\u01b0\u1eddng \u0111i b\u00ean ph\u1ea3i c\u1ee7a h\u00ecnh tam gi\u00e1c (h\u01b0\u1edbng m\u0169i t\u00ean t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi) c\u1eaft hai s\u1ed1 l\u00e0 2 v\u00e0 7.<\/span>
\nNh\u01b0 v\u1eady, ch\u00fang ta c\u00f3 \u0111\u01b0\u1ee3c t\u1ed5ng c\u1ed9ng 4 s\u1ed1 \u0111\u1ec3 l\u1eadp khung nu\u00f4i t\u1eeb 2 \u2013 3 ng\u00e0y<\/span>
\nNh\u1eefng s\u1ed1 ch\u00fang ta \u0111\u00e3 c\u00f3 qua 2 b\u01b0\u1edbc: 3 \u2013 9 \u2013 2 \u2013 7<\/span>
\n\"nu\u00f4i<\/p>\n

<\/span>X\u00e1c \u0111\u1ecbnh s\u1ed1 theo c\u1ea7u tam gi\u00e1c<\/span><\/h4>\n
\"KQXSMB
\n