<\/span><\/h3>\nM\u00e1y b\u01a1m \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t gi\u1eefa 3 c\u1ed1c l\u1ecdc 1, 2, 3 v\u00e0 m\u00e0ng l\u1ecdc RO. B\u01a1m c\u00f3 nhi\u1ec7m v\u1ee5 t\u1ea1o ra \u0111\u01b0\u1ee3c l\u1ef1c \u0111\u1ea9y n\u01b0\u1edbc t\u1eeb \u0111\u1ea7u v\u00e0o \u0111i qua c\u00e1c m\u00e0ng l\u1ecdc, do \u0111\u00f3 n\u1ebfu b\u01a1m n\u01b0\u1edbc b\u1ecb h\u1ecfng s\u1ebd khi\u1ebfn cho to\u00e0n b\u1ed9 m\u00e1y l\u1ecdc n\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u1ea1t hi\u1ec7u qu\u1ea3.<\/p>\n