\u0110a s\u1ed1 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u cho r\u1eb1ng, mu\u1ed1n ch\u01a1i l\u00f4 \u0111\u1ec1 d\u1ec5 tr\u00fang th\u00ec v\u1eadn may quy\u1ebft \u0111\u1ecbnh t\u1edbi 90%. M\u1eb7c d\u00f9 c\u00e1ch n\u00f3i n\u00e0y \u0111\u00fang nh\u01b0ng ch\u01b0a ho\u00e0n to\u00e0n ch\u00ednh x\u00e1c b\u1edfi th\u1ef1c t\u1ebf v\u1eadn may ch\u1ec9 quy\u1ebft \u0111\u1ecbnh t\u1edbi s\u1ed1 l\u1ea7n th\u1eafng, s\u1ed1 l\u1ea7n thua m\u00e0 kh\u00f4ng th\u1ec3 gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 ti\u1ec1n l\u1edbn hay m\u1ea5t \u0111i s\u1ed1 ti\u1ec1n \u0111\u1ee7 nh\u1ecf. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y ch\u1ee7 y\u1ebfu do c\u00e1ch t\u00ednh to\u00e1n c\u1ee7a ch\u00ednh anh em ch\u01a1i l\u00f4.<\/strong><\/em><\/h2>\n

T\u00f9y v\u00e0o t\u1eebng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 ch\u01a1i l\u00f4 3 s\u1ed1 mi\u1ec1n trung, mi\u1ec1n nam hay l\u00f4 3 s\u1ed1 mi\u1ec1n b\u1eafc ho\u1eb7c m\u1ed9t c\u00e1ch ch\u01a1i l\u00f4 n\u00e0o \u0111\u00f3 m\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i l\u1ea1i kh\u00e1c nhau (anh em c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam t\u1ea1i c\u00e1c b\u00e0i vi\u1ebft tr\u01b0\u1edbc \u0111\u00f3 t\u1ea1i \u0111\u00e2y<\/a>).<\/p>\n

Trong b\u00e0i vi\u1ebft n\u00e0y, h\u00e3y c\u00f9ng nhau t\u00ecm hi\u1ec3u kinh nghi\u1ec7m \u0111\u00e1nh l\u00f4 \u0111\u1ec1 d\u1ec5 tr\u00fang m\u00e0 kh\u00f4ng c\u1ea7n t\u1ed1n qu\u00e1 nhi\u1ec1u c\u00f4ng s\u1ee9c.<\/p>\n