B\u1ea1ch th\u1ee7 l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c l\u00f4 \u0111\u1ec1, c\u1edd b\u1ea1c. \u0110\u1ec3 ch\u01a1i \u0111\u01b0\u1ee3c l\u00f4 \u0111\u1ec1 b\u1ea1ch th\u1ee7 th\u00ec ng\u01b0\u1eddi ch\u01a1i c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1n \u0111o\u00e1n t\u1ed1t v\u00e0 ch\u1ee7 \u0111\u1ed9ng k\u1ebft th\u00fac ch\u1ec9 trong cu\u1ed9c trong m\u1ed9t l\u1ea7n ch\u01a1i duy nh\u1ea5t. C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch soi c\u1ea7u b\u1ea1ch th\u1ee7 mi\u1ec1n B\u1eafc<\/strong>, v\u00e0 sau \u0111\u00e2y ch\u00fang t\u00f4i sin chia s\u1ebb nh\u1eefng c\u00e1ch \u0111\u01b0\u1ee3c cho l\u00e0 c\u00f3 hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n Nh\u01b0 c\u00e1c b\u1ea1n c\u0169ng bi\u1ebft th\u00ec vi\u1ec7c soi c\u1ea7u b\u1ea1ch th\u1ee7 mi\u1ec1n B\u1eafc<\/strong> l\u00e0 m\u1ed9t vi\u1ec7c kh\u00f3 kh\u0103n, kh\u00f4ng h\u1ec1 \u0111\u01a1n gi\u1ea3n. V\u1eady n\u00ean mong r\u1eb1ng nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1ebd h\u1eefu \u00edch cho t\u1ea5t c\u1ea3 ng\u01b0\u1eddi ch\u01a1i.<\/p>\n Ng\u01b0\u1eddi x\u01b0a quan ni\u1ec7m 10 can \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 t\u1eeb 1 \u2013 10, c\u00f2n 12 con gi\u00e1p c\u0169ng \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo tr\u00ecnh t\u1ef1 nh\u01b0 v\u1eady. Tuy ch\u1ec9 \u0111\u01b0\u1ee3c coi l\u00e0 t\u00ednh nh\u1ea9m nh\u01b0ng hi\u1ec7u qu\u1ea3 kh\u00f4ng h\u1ec1 th\u1ea5p. V\u00ed d\u1ee5 h\u00f4m nay ng\u00e0y Gi\u00e1p ng\u1ecd, ta nu\u00f4i s\u1ed1 17 (1), 16, 18, 19.<\/p>\n \u0110\u1ec3 \u00fd \u0111\u1ebfn s\u1ef1 tr\u00f9ng h\u1ee3p c\u00e1c con s\u1ed1 v\u00e0o \u0111\u00fang ng\u00e0y c\u1ee7a con Gi\u00e1p t\u01b0\u01a1ng \u1ee9ng \u0111\u00e3 ra trong nh\u1eefng l\u1ea7n tr\u01b0\u1edbc. \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea5u hi\u1ec7u soi c\u1ea7u b\u1ea1ch th\u1ee7 ch\u00ednh x\u00e1c nh\u1ea5t. Khi k\u1ebft qu\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u00f3 hai s\u1ed1 \u0111\u1ea7u gi\u1ed1ng nhau th\u00ec \u0111\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 d\u1ea5u hi\u1ec7u s\u1eafp xu\u1ea5t hi\u1ec7n l\u00f4 k\u00e9p. M\u00e0 ch\u1ecdn k\u00e9p th\u00ec lu\u00f4n c\u00f3 x\u00e1c su\u1ea5t cao.<\/p>\nM\u1ed9t s\u1ed1 c\u00e1ch soi c\u1ea7u b\u1ea1ch th\u1ee7 mi\u1ec1n
\nB\u1eafc h\u1eefu hi\u1ec7u<\/h2>\nSoi c\u1ea7u theo c\u00e1ch t\u00ednh c\u00e1c con gi\u00e1p theo tu\u1ea7n, th\u00e1ng v\u00e0 n\u0103m<\/h3>\n