B\u1ea1c nh\u1edb l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec?<\/h2>\n
B\u1ea1c nh\u1edb l\u00f4 \u0111\u1ec1<\/strong> l\u00e0 d\u1ef1 \u0111o\u00e1n con l\u00f4 h\u00f4m sau s\u1ebd v\u1ec1 d\u1ef1a v\u00e0o c\u00e1c th\u1ed1ng k\u00ea k\u1ebft qu\u1ea3 l\u00f4 \u0111\u1ec1 v\u00e0 s\u1ef1 tu\u1ea7n ho\u00e0n xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c c\u1eb7p s\u1ed1 hay \u0111i ra theo v\u1edbi nhau. T\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ed1ng k\u00ea \u0111\u01b0\u1ee3c khi con s\u1ed1 n\u00e0y ra th\u00ec h\u00f4m sau n\u00ean \u0111\u00e1nh con g\u00ec.<\/p>\n Ch\u00ednh t\u1eeb \u201cb\u1ea1c nh\u1edb\u201d c\u0169ng cho ta th\u1ea5y d\u00f9ng tr\u00ed nh\u1edb \u2013 nh\u1edb ch\u00ednh x\u00e1c xem khi con s\u1ed1 n\u00e0y xu\u1ea5t hi\u1ec7n, th\u00ec h\u00f4m sau con s\u1ed1 t\u01b0\u01a1ng \u1ee9ng n\u00e0o l\u00e0 s\u00e1ng c\u1eeda v\u1ec1 nh\u1ea5t. T\u1eeb \u0111\u00f3 h\u1ec7 th\u1ed1ng l\u1ea1i \u0111\u01b0\u1ee3c theo gi\u1ea3i, theo th\u1ee9 ng\u00e0y, theo \u0111\u1ea7u \u0111u\u00f4i c\u00e2m v.v.<\/p>\n \u00c1p d\u1ee5ng x\u00e1c su\u1ea5t th\u1ed1ng k\u00ea v\u00e0o x\u1ed5 s\u1ed1, ta t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c c\u1ee5 th\u1ec3 t\u1ef7 l\u1ec7 xu\u00e2t hi\u1ec7n c\u1ee7a c\u00e1c con s\u1ed1 \u0111\u1ed3ng th\u1eddi t\u00ednh \u0111\u01b0\u1ee3c x\u00e1c su\u1ea5t l\u1eb7p l\u1ea1i xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c c\u1eb7p s\u1ed1 \u0111i c\u00f9ng nhau. Nh\u1eefng tay ch\u01a1i th\u00e2m ni\u00ean v\u00e0 kinh nghi\u1ec7m th\u01b0\u1ee3ng th\u1eeba khi \u0111\u00e3 theo d\u00f5i li\u00ean t\u1ee5c trong nhi\u1ec1u n\u0103m s\u1ebd ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c d\u1ea5u hi\u1ec7u v\u1ec1 v\u00e0 chu k\u1ef3 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c b\u1ed9 s\u1ed1.<\/p>\n