S\u1ebd th\u1eadt \u0111\u00e1ng ti\u1ebfc n\u1ebfu m\u1ed9t ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 kh\u00f4ng bi\u1ebft \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh theo \u0111\u1ea7u c\u00e2m, \u0111u\u00f4i c\u00e2m. B\u1edfi n\u00f3 l\u00e0 m\u1ed9t c\u00e1ch ch\u01a1i r\u1ea5t \u0111\u01a1n gi\u1ea3n nh\u01b0ng mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao. M\u1ed9t khi th\u00e0nh th\u1ea1o l\u1ed1i ch\u01a1i n\u00e0y b\u1ea1n s\u1ebd bi\u1ebft \u0111\u01b0\u1ee3c \u0111\u1ea7u 9 c\u00e2m l\u00e0 g\u00ec v\u00e0 \u0111\u1ea7u 9 c\u00e2m \u0111\u00e1nh con g\u00ec cho nh\u1eefng ng\u00e0y sau \u0111\u1ec3 t\u1ef7 l\u1ec7 tr\u00fang cao nh\u1ea5t.<\/span><\/p>\n M\u1ed9t con l\u00f4 s\u1ebd c\u00f3 2 ph\u1ea7n l\u00e0 ph\u1ea7n \u0111\u1ea7u (ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c) v\u00e0 ph\u1ea7n \u0111u\u00f4i (ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb). L\u00f4 \u0111\u1ea7u c\u00e2m hay \u0111u\u00f4i c\u00e2m l\u00e0 vi\u1ec7c ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c hay ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb kh\u00f4ng th\u1ea5y xu\u1ea5t hi\u1ec7n trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1.<\/span><\/p>\n D\u1ec5 hi\u1ec3u h\u01a1n th\u00ec khi s\u1ed1 X kh\u00f4ng xu\u1ea5t hi\u1ec7n trong b\u1ea5t c\u1ee9 ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c n\u00e0o th\u00ec ng\u00e0y h\u00f4m \u0111\u00f3 c\u00f3 l\u00f4 c\u00e2m \u0111\u1ea7u X. Khi X l\u00e0 9 th\u00ec ta c\u00f3 l\u00f4 c\u00e2m \u0111\u1ea7u 9.<\/span><\/p>\n L\u00f4 \u0111\u1ec1 \u0111\u1ea7u 9 c\u00e2m l\u00e0 g\u00ec?<\/span><\/h2>\n
Kh\u00e1i ni\u1ec7m<\/span><\/h3>\n
on cao th\u1ee7 gi\u1ea3i \u0111\u00e1p \u0111\u1ea7u 9 c\u00e2m \u0111\u00e1nh con g\u00ec?<\/span><\/span><\/div>\n
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