Khi nh\u1eefng tr\u00f2 ch\u01a1i x\u1ed5 s\u1ed1 l\u00f4 \u0111\u1ec1 ng\u00e0y m\u1ed9t ph\u1ed5 bi\u1ebfn c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch ch\u01a1i \u0111\u01b0\u1ee3c ra \u0111\u1eddi. Trong ph\u1ea3i n\u00f3i \u0111\u1ebfn l\u00e0 l\u00f4 xi\u00ean 4. B\u1edfi v\u00ec \u0111\u1ed9 kh\u00f3 c\u1ee7a n\u00f3 \u0111\u00e3 \u0111em \u0111\u1ebfn cho con ng\u01b0\u1eddi c\u1ea3m gi\u00e1c h\u1ee9ng th\u00fa mu\u1ed1n chi\u1ebfn th\u1eafng. V\u1eady <\/span>l\u00f4 xi\u00ean 4 \u0103n bao nhi\u00eau<\/b>? C\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean 4 n\u00e0o \u0111\u1ea1t hi\u1ec7u qu\u1ea3 nh\u1ea5t? B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap m\u1ecdi ng\u01b0\u1eddi gi\u1ea3i \u0111\u00e1p \u0111\u01b0\u1ee3c th\u1eafc m\u1eafc tr\u00ean.<\/span><\/p>\nKha\u0301i ni\u00ea\u0323m v\u00ea\u0300 l\u00f4 xi\u00ean 4 va\u0300 l\u00f4 xi\u00ean 4 \u0103n \u0111\u01b0\u01a1\u0323c bao nhi\u00eau?<\/b><\/h2>\n