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Soi c\u1ea7u l\u00f4 tam gi\u00e1c<\/strong> ch\u00ednh l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch ch\u01a1i \u0111\u01b0\u1ee3c nhi\u1ec1u cao th\u1ee7 l\u00f4 \u0111\u1ec1<\/strong> l\u00e3o d\u00e0ng \u00e1p d\u1ee5ng theo. Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u1ee5 th\u1ec3 ra sao v\u00e0 th\u1ef1c hi\u1ec7n theo nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 t\u00ecm ra s\u1ed1 v\u00e0ng chu\u1ea9n, nhanh ch\u00f3ng nh\u1ea5t? H\u00e3y c\u00f9ng t\u00ecm c\u00e2u tr\u1ea3 l\u1eddi qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n\n
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N\u1ed9i dung<\/p>\n<\/div>\n\n\nC\u1ea7u l\u00f4 tam gi\u00e1c l\u00e0 g\u00ec?<\/li>\n C\u00e1ch soi c\u1ea7u l\u00f4 tam gi\u00e1c mi\u1ec1n B\u1eafc si\u00eau \u0111\u1eb3ng\n\nK\u1ebft h\u1ee3p v\u1edbi l\u00f4 gan<\/li>\n K\u1ebft h\u1ee3p v\u1edbi b\u1ea1c nh\u1edb<\/li>\n K\u1ebft h\u1ee3p nu\u00f4i khung 3 ng\u00e0y<\/li>\n Soi c\u1ea7u tam gi\u00e1c ma thu\u1eadt<\/li>\n B\u1eaft l\u00f4 h\u00ecnh tam gi\u00e1c \u0111\u1ec1u<\/li>\n<\/ul>\n<\/li>\n K\u1ebft lu\u1eadn<\/li>\n<\/ul>\n<\/nav>\n<\/div>\n<\/span>C\u1ea7u l\u00f4 tam gi\u00e1c l\u00e0 g\u00ec?<\/h2>\nSoi c\u1ea7u l\u00f4 tam gi\u00e1c<\/strong> l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p s\u0103n b\u1ea1ch th\u1ee7 l\u00f4 mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao. C\u00e1ch soi c\u1ea7u l\u00f4 XSMB<\/strong> n\u00e0y l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a nh\u1eefng con s\u1ed1 \u1edf c\u00e1c gi\u1ea3i v\u1edbi nhau \u1edf k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 \u0111\u00e3 ra \u1edf k\u1ef3 quay tr\u01b0\u1edbc. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd d\u1ef1a v\u00e0o \u0111\u00f3 \u0111\u1ec3 nh\u1eadn ra s\u1ef1 kh\u00e1c bi\u1ec7t, m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa nh\u1eefng con s\u1ed1 v\u00e0 ch\u1ecdn ra con s\u1ed1 c\u00f3 kh\u1ea3 n\u0103ng v\u1ec1 cao nh\u1ea5t trong ng\u00e0y h\u00f4m sau. \u0110\u1ec3 soi c\u1ea7u tam gi\u00e1c, h\u00e3y th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n? B\u01b0\u1edbc 1:<\/strong> H\u00e3y theo d\u00f5i b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1. V\u1ecb tr\u00ed b\u1ea1n c\u1ea7n quan t\u00e2m l\u00e0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t, gi\u1ea3i nh\u1ea5t v\u00e0 gi\u1ea3i 6 th\u1ee9 2 (gi\u1ea3i 6.2)<\/strong><\/p>\n <\/p>\n
V\u00ed d\u1ee5: Soi c\u1ea7u l\u00f4 tam gi\u00e1c XSMB<\/strong> cho ng\u00e0y 19-11-2024. Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u00f3 d\u00e3y s\u1ed1 l\u00e0 19942<\/strong>, gi\u1ea3i nh\u1ea5t l\u00e0 50640<\/strong> v\u00e0 gi\u1ea3i 6.2 l\u00e0 558<\/strong>. Con s\u1ed1 th\u1ee9 nh\u1ea5t c\u1ee7a b\u1ea1ch th\u1ee7 l\u00f4<\/strong> s\u1ebd \u0111\u01b0\u1ee3c t\u00ecm ra t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t<\/strong>. Con s\u1ed1 th\u1ee9 2 s\u1ebd \u0111\u01b0\u1ee3c l\u1eadt m\u1edf d\u1ef1a v\u00e0o gi\u1ea3i 6.2.<\/p>\n? B\u01b0\u1edbc 2:<\/strong> Lo\u1ea1i nh\u1eefng con s\u1ed1 c\u00f3 li\u00ean quan v\u1edbi nhau \u1edf gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t v\u00e0 gi\u1eef l\u1ea1i nh\u1eefng con s\u1ed1 kh\u00e1c nhau. C\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n\nS\u1ed1 9 l\u1eb7p l\u1ea1i 2 l\u1ea7n -> lo\u1ea1i.<\/li>\n S\u1ed1 4 l\u1eb7p 2 l\u1ea7n -> lo\u1ea1i.<\/li>\n S\u1ed1 0 l\u1eb7p 2 l\u1ea7n -> lo\u1ea1i.<\/li>\n 0, 2, 4, 6 c\u00f9ng l\u00e0 s\u1ed1 ch\u1eb5n -> lo\u1ea1i.<\/li>\n<\/ul>\nT\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ea5y, ch\u1ec9 c\u00f2n duy nh\u1ea5t s\u1ed1 1 v\u00e0 s\u1ed1 5 l\u00e0 kh\u00e1c bi\u1ec7t v\u1edbi nh\u1eefng con s\u1ed1 c\u00f2n l\u1ea1i. Ri\u00eang s\u1ed1 5 khi so v\u1edbi gi\u1ea3i 6.2 th\u00ec l\u1eb7p t\u1edbi 3 l\u1ea7n n\u00ean lo\u1ea1i lu\u00f4n. V\u1eady s\u1ed1 1 ch\u00ednh l\u00e0 con s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1ch th\u1ee7 l\u00f4 c\u1ea7n t\u00ecm.<\/p>\n
? B\u01b0\u1edbc 3:<\/strong> L\u1ea5y s\u1ed1 1 v\u1eeba t\u00ecm \u0111\u01b0\u1ee3c gh\u00e9p v\u1edbi \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 6.2. Theo \u0111\u00f3 s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c 2 con b\u1ea1ch th\u1ee7 l\u00f4 l\u00e0 15 v\u00e0 18<\/span><\/strong>.<\/p>\n<\/span>C\u00e1ch soi c\u1ea7u l\u00f4 tam gi\u00e1c mi\u1ec1n B\u1eafc si\u00eau \u0111\u1eb3ng<\/h2>\nC\u00e1ch s\u0103n c\u1ea7u l\u00f4 tam gi\u00e1c<\/strong> gi\u00fap ng\u01b0\u1eddi ch\u01a1i ti\u1ebft ki\u1ec7m th\u1eddi gian nh\u01b0ng v\u1eabn t\u00ecm ra \u0111\u01b0\u1ee3c b\u1ea1ch th\u1ee7 ch\u00ednh x\u00e1c. Tuy nhi\u00ean, n\u1ebfu mu\u1ed1n lu\u00f4n th\u1eafng trong m\u1ecdi cu\u1ed9c ch\u01a1i th\u00ec c\u1ea7n ph\u1ea3i k\u1ebft h\u1ee3p linh ho\u1ea1t v\u1edbi nh\u1eefng c\u00e1ch soi c\u1ea7u<\/strong> kh\u00e1c. T\u1eeb \u0111\u00f3 m\u1edbi c\u00f3 th\u1ec3 t\u00ecm ra \u0111\u01b0\u1ee3c con l\u00f4 c\u00f3 kh\u1ea3 n\u0103ng v\u1ec1 cao nh\u1ea5t. M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o \u0111\u1ec3 k\u1ebft h\u1ee3p c\u00f9ng l\u00e0:<\/p>\n<\/span>K\u1ebft h\u1ee3p v\u1edbi l\u00f4 gan<\/h3>\nSau khi \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p s\u0103n c\u1ea7u v\u00e0ng tam gi\u00e1c v\u00e0 t\u00ecm \u0111\u01b0\u1ee3c b\u1ea1ch th\u1ee7 l\u00f4. \u0110\u1ec3 ch\u1eafc ch\u1eafn con s\u1ed1 \u0111\u00f3 l\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t b\u1ea1n n\u00ean \u0111\u1ed1i chi\u1ebfu v\u1edbi th\u1ed1ng k\u00ea l\u00f4 gan<\/strong>. N\u1ebfu th\u1ea5y 10 ng\u00e0y li\u00ean t\u1ee5c m\u00e0 ch\u01b0a xu\u1ea5t hi\u1ec7n th\u00ec c\u00f3 th\u1ec3 s\u1eafp t\u1edbi s\u1ebd l\u00e0 k\u1ef3 n\u1ed5, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea7u t\u01b0 ngay.<\/p>\n<\/span>K\u1ebft h\u1ee3p v\u1edbi b\u1ea1c nh\u1edb<\/h3>\nSau khi t\u00ecm \u0111\u01b0\u1ee3c b\u1ea1ch th\u1ee7 l\u00f4<\/strong> qua c\u1ea7u l\u00f4 tam gi\u00e1c, b\u1ea1n n\u00ean k\u1ebft h\u1ee3p v\u1edbi ph\u01b0\u01a1ng ph\u00e1p b\u1ea1c nh\u1edb \u0111\u1ec3 ch\u1eafc r\u1eb1ng \u0111\u00f3 l\u00e0 con l\u00f4 s\u1ebd n\u1ed5 trong ng\u00e0y. Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nhi\u1ec1u nh\u1ea5t b\u1edfi mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao l\u00e0 b\u1ea1c nh\u1edb<\/strong> t\u1ea7n su\u1ea5t xu\u1ea5t hi\u1ec7n l\u00f4 v\u00e0 \u0111\u1ea7u \u0111u\u00f4i c\u00e2m. D\u1ef1a v\u00e0o \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c xu h\u01b0\u1edbng v\u1ec1 l\u00f4 m\u1edbi trong ng\u00e0y h\u00f4m sau.<\/p>\n <\/p>\n
<\/span>K\u1ebft h\u1ee3p nu\u00f4i khung 3 ng\u00e0y<\/h3>\n\u0110\u1ec3 ch\u1eafc r\u1eb1ng s\u1ebd kh\u00f4ng b\u1ecf l\u1ee1 b\u1ea1ch th\u1ee7 l\u00f4 n\u00e0o th\u00ec h\u00e3y k\u1ebft h\u1ee3p v\u1edbi nu\u00f4i khung 3 ng\u00e0y<\/strong>. Khi \u00e1p d\u1ee5ng c\u00e1ch \u0111\u00e1nh n\u00e0y h\u00e3y ch\u01a1i theo ki\u1ec3u g\u1ea5p th\u1ea5p v\u1edbi t\u1ef7 l\u1ec7 1:3:10 \u0111\u1ec3 b\u1ea3o v\u1ec7 ngu\u1ed3n v\u1ed1n. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u01b0\u1edbc ch\u00e2n v\u00e0o l\u0129nh v\u1ef1c n\u00e0y. Ch\u01b0a c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m th\u00ec n\u00ean ch\u01a1i theo c\u00e1ch n\u00e0y. H\u00e3y ki\u00ean nh\u1eabn, k\u1ebft qu\u1ea3 s\u1ebd kh\u00f4ng khi\u1ebfn b\u1ea1n ph\u1ea3i th\u1ea5t v\u1ecdng.<\/p>\n<\/span>Soi c\u1ea7u tam gi\u00e1c ma thu\u1eadt<\/h3>\n\u0110\u1ec3 \u00e1p d\u1ee5ng c\u00e1ch \u0111\u00e1nh n\u00e0y b\u1ea1n c\u1ea7n ph\u1ea3i quan t\u00e2m \u0111\u1ebfn b\u1ed9 gi\u1ea3i 5 v\u00e0 6 tr\u00ean b\u1ea3ng k\u1ebft qu\u1ea3. D\u1ef1a v\u00e0o \u0111\u00f3 \u0111\u1ec3 s\u0103n l\u00f4 b\u1ea1ch th\u1ee7, c\u1ee5 th\u1ec3 nh\u01b0 sau. \u0110\u1ea7u ti\u00ean th\u00ec ng\u01b0\u1eddi ch\u01a1i c\u1ea7n theo d\u00f5i b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1. H\u01b0\u1edbng s\u1ef1 quan t\u00e2m \u0111\u1ebfn gi\u1ea3i gi\u1ea3i 6 G3.3, gi\u1ea3i 5 G3.4<\/strong> v\u00e0 ti\u1ebfp t\u1ee5c nh\u00ecn xu\u1ed1ng gi\u1ea3i 6.3 \u0111\u1ec3 t\u00ecm ra nh\u1eefng con s\u1ed1 kh\u00e1c bi\u1ec7t.<\/p>\nQuan s\u00e1t, n\u1ebfu th\u1ea5y gi\u1ea3i 5 G3.4<\/strong> tr\u00f9ng v\u1edbi c\u00e1c con s\u1ed1 \u1edf gi\u1ea3i 6 G3.3<\/strong> th\u00ec d\u00f9ng s\u1ed1 \u1edf gi\u1eefa \u0111\u1ec3 ki\u1ec3m tra. Con l\u00f4 b\u1ea1ch th\u1ee7 t\u00ecm \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111\u00e1nh khung max 5 ng\u00e0y li\u00ean ti\u1ebfp. \u0110\u1ed3ng th\u1eddi, m\u1ed9t s\u1ed1 cao th\u1ee7 cho r\u1eb1ng \u0111\u00e1nh l\u1ed9n nu\u00f4i khung 3 ng\u00e0y kh\u1ea3 n\u0103ng tr\u00fang th\u01b0\u1edfng c\u0169ng r\u1ea5t l\u1edbn.<\/p>\n<\/span>B\u1eaft l\u00f4 h\u00ecnh tam gi\u00e1c \u0111\u1ec1u<\/h3>\n\u0110\u1ec3 b\u1eaft l\u00f4 n\u00e0y c\u1ea7n quan t\u00e2m \u0111\u1ebfn s\u1ed1 gi\u1eefa c\u1ee7a gi\u1ea3i nh\u1ea5t v\u00e0 gi\u1ea3i gi\u1ea3i 3 G4.1, G6.5<\/strong>. T\u1eeb \u0111\u00e2y t\u00ecm ra nh\u1eefng con s\u1ed1 kh\u00e1c bi\u1ec7t v\u00e0 gh\u00e9p v\u1edbi s\u1ed1 gi\u1eefa . S\u1ebd \u0111\u01b0\u1ee3c c\u1eb7p \u0111\u1ea7u \u0111u\u00f4i \u0111\u00e1nh ng\u00e0y h\u00f4m sau. Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh b\u1ea1ch th\u1ee7 l\u00f4 nu\u00f4i khung 5 ng\u00e0y c\u1ef1c hi\u1ec7u qu\u1ea3.<\/p>\n<\/span>K\u1ebft lu\u1eadn<\/h2>\nC\u00f3 th\u1ec3 th\u1ea5y soi c\u1ea7u l\u00f4 tam gi\u00e1c<\/strong> l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n. D\u1ec5 \u00e1p d\u1ee5ng nh\u01b0ng m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c r\u1ea5t cao. \u0110\u00f3 ch\u00ednh l\u00e0 l\u00fd do m\u00e0 nhi\u1ec1u cao th\u1ee7 l\u00e3o l\u00e0ng v\u1eabn th\u01b0\u1eddng \u00e1p d\u1ee5ng \u0111\u1ec3 \u0111em v\u1ec1 nh\u1eefng chi\u1ebfn th\u1eafng l\u1edbn. \u0110\u1eebng qu\u00ean k\u1ebft h\u1ee3p c\u00e1ch \u0111\u00e1nh n\u00e0y v\u1edbi nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u kh\u00e1c . \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o con l\u00f4 t\u00ecm ra c\u00f3 t\u1ef7 l\u1ec7 n\u1ed5 cao nh\u1ea5t.<\/p>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n