D\u00e3y \u0111u\u00f4i 2: G\u1ed3m c\u00e1c con s\u1ed1 02, 12, 22, 32, 42, 52, 62, 72, 82, 92.<\/li>\n<\/ul>\nC\u00e1ch ch\u1ecdn b\u1ed9 \u0111\u1ec1 32 chu\u1ea9n x\u00e1c, kh\u1ea3 n\u0103ng th\u1eafng cao<\/h2>\n
Sau khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c con s\u1ed1 trong b\u1ed9 \u0111\u1ec1 32, quan tr\u1ecdng l\u00e0 ng\u01b0\u1eddi ch\u01a1i c\u1ea7n t\u00ecm hi\u1ec3u c\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec3 chu\u1ea9n x\u00e1c trong m\u1ed7i k\u1ef3. C\u00f3 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh l\u00f4 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 cao, anh em c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 g\u1ee3i \u00fd sau:<\/p>\n