C\u00e2u 1: T\u1ea1i sao kh\u00f4ng \u0111\u00e1nh m\u1ed9t con m\u00e0 ph\u1ea3i ch\u1ecdn d\u00e0n l\u00f4?<\/strong><\/h3>\n– S\u1edf d\u0129 c\u00f3 c\u00e1ch \u0111\u00e1nh l\u00f4 d\u00e0n 4, d\u00e0n l\u00f4 6<\/strong>, d\u00e0n l\u00f4 8 l\u00e0 b\u1edfi \u0111\u00e1nh m\u1ed9t con th\u01b0\u1eddng c\u00f3 t\u1ec9 l\u1ec7 an to\u00e0n l\u00e0 r\u1ea5t th\u1ea5p, ch\u01b0a k\u1ec3 \u0111\u00e1nh l\u00f4 m\u1ed9t con mang v\u1ec1 r\u1ea5t \u00edt l\u1ee3i nhu\u1eadn. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu \u0111\u00e1nh c\u00e1c lo\u1ea1i l\u00f4 d\u00e0n th\u00ec vi\u1ec7c thu l\u1ea1i l\u1ee3i nhu\u1eadn nhi\u1ec1u v\u00e0 nhanh l\u00e0 \u0111i\u1ec1u t\u1ea5t y\u1ebfu b\u1edfi ch\u1eafc c\u00e1c anh em c\u0169ng hi\u1ec3u kh\u00f4ng \u0103n \u0111\u01b0\u1ee3c con n\u00e0y th\u00ec c\u00f3 th\u1ec3 \u0103n con kh\u00e1c ph\u1ea3i kh\u00f4ng n\u00e0o.<\/p>\n