Trong \u0111\u1ec1 thi THPT Qu\u1ed1c gia m\u00f4n \u0110\u1ecba l\u00fd, b\u00e0i v\u1ebd bi\u1ec3u \u0111\u1ed3 lu\u00f4n l\u00e0 c\u00e2u cho th\u00ed sinh d\u1ec5 \u201c\u0103n\u201d \u0111i\u1ec3m nh\u1ea5t. Tuy nhi\u00ean kh\u00e1 nhi\u1ec1u h\u1ecdc sinh b\u1ecb \u201ch\u00f3c\u201d b\u1edfi b\u00e0i n\u00e0y, c\u00e1c b\u1ea1n hay b\u1ecb l\u00fang t\u00fang trong vi\u1ec7c nh\u1eadn bi\u1ebft c\u00e1c d\u1ea1ng bi\u1ec3u \u0111\u1ed3.<\/strong><\/p>\n \u0110\u1ec3 ch\u1ecdn d\u1ea1ng bi\u1ec3u \u0111\u1ed3, tr\u01b0\u1edbc ti\u00ean b\u1ea1n ph\u1ea3i c\u0103n c\u1ee9 v\u00e0o c\u00e2u h\u1ecfi. N\u00f3i c\u00e1ch kh\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i \u0111\u1ecdc k\u0129 c\u00e2u h\u1ecfi. Y\u00eau c\u1ea7u c\u1ee7a c\u00e2u h\u1ecfi ch\u00ednh l\u00e0 c\u0103n c\u1ee9 quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 l\u1ef1a ch\u1ecdn d\u1ea1ng bi\u1ec3u \u0111\u1ed3. Th\u01b0\u1eddng trong \u0111\u1ec1 b\u00e0i v\u1ebd bi\u1ec3u \u0111\u1ed3 c\u00f3 4 d\u1ea1ng y\u00eau c\u1ea7u t\u01b0\u01a1ng \u1ee9ng v\u1edbi d\u1ea1ng bi\u1ec3u \u0111\u1ed3, c\u1ee5 th\u1ec3:<\/p>\n \u0110\u00e2y l\u00e0 d\u1ea1ng bi\u1ec3u \u0111\u1ed3 c\u01a1 b\u1ea3n \u0111\u1ec3 ph\u1ea3n \u00e1nh s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng, s\u1ef1 v\u1eadt \u0111\u1ecba l\u00fd kinh t\u1ebf \u2013 x\u00e3 h\u1ed9i. \u0110\u1ec3 th\u1ec3 hi\u1ec7n s\u1ef1 ph\u00e1t tri\u1ec3n, ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng bi\u1ec3u \u0111\u1ed3 c\u1ed9t ho\u1eb7c bi\u1ec3u \u0111\u1ed3 \u0111\u01b0\u1eddng. Th\u00f4ng th\u01b0\u1eddng khi b\u1ea3ng s\u1ed1 li\u1ec7u c\u00f3 \u00edt n\u0103m th\u00ec ng\u01b0\u1eddi ta v\u1ebd bi\u1ec3u \u0111\u1ed3 c\u1ed9t. C\u00f2n n\u1ebfu nhi\u1ec1u n\u0103m th\u00ec ng\u01b0\u1eddi ta v\u1ebd bi\u1ec3u \u0111\u1ed3 \u0111\u01b0\u1eddng.<\/p>\n H\u01a1n n\u1eefa m\u1ed9t trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p hay g\u1eb7p l\u00e0 y\u00eau c\u1ea7u v\u1ebd bi\u1ec3u \u0111\u1ed3 th\u1ec3 hi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng v\u00e0 cho c\u00e1c s\u1ed1 li\u1ec7u trong \u0111\u00f3 c\u00f3 c\u00e1c ch\u1ec9 ti\u00eau v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb \u0111o r\u1ea5t kh\u00e1c nhau. V\u1edbi tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ta c\u1ea7n ph\u1ea3i x\u1eed l\u00fd s\u1ed1 li\u1ec7u b\u1eb1ng c\u00e1ch l\u1ea5y n\u0103m \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea3ng s\u1ed1 li\u1ec7u l\u00e0m m\u1ed1c (t\u00ednh b\u1eb1ng 100), t\u1eeb \u0111\u00f3 l\u1ea7n l\u01b0\u1ee3t t\u00ednh ra t\u1ec9 l\u1ec7 c\u00e1c n\u0103m so v\u1edbi n\u0103m \u0111\u1ea7u ti\u00ean.<\/p>\nD\u1ea1ng bi\u1ec3u \u0111\u1ed3 th\u1ec3 hi\u1ec7n s\u1ef1 ph\u00e1t tri\u1ec3n<\/strong><\/h5>\n