\n\n
L\u00f4 3 c\u00e0ng l\u00e0 m\u1ed9t lo\u1ea1i h\u00ecnh th\u1ee9c \u0111\u00e1nh l\u00f4 thu h\u00fat r\u1ea5t \u0111\u00f4ng \u0111\u1ea3o s\u1ef1 tham gia c\u1ee7a c\u00e1c tay ch\u01a1i l\u00e3o luy\u1ec7n b\u1edfi m\u1ee9c ti\u1ec1n th\u01b0\u1edfng c\u1ee7a lo\u1ea1i h\u00ecnh n\u00e0y r\u1ea5t l\u1edbn. V\u1eady \u0111\u1ecbnh ngh\u0129a ch\u00ednh th\u1ee9c v\u1ec1 <\/span>l\u00f4 3 c\u00e0ng g\u00ec<\/b>? Khi tham gia ch\u01a1i lo\u1ea1i l\u00f4 n\u00e0y c\u1ea7n ph\u1ea3i ch\u00fa \u00fd nh\u01b0 th\u1ebf n\u00e0o? H\u00e3y c\u00f9ng \u0111i t\u00ecm c\u00e2u tr\u1ea3 l\u1eddi qua b\u00e0i vi\u1ebft n\u00e0y.<\/span><\/p>\nL\u00f4 3 ca\u0300ng la\u0300 gi\u0300 va\u0300 ti\u0309 l\u00ea\u0323 \u0103n l\u00f4 3 ca\u0300ng<\/b><\/h2>\n
Khi ch\u01a1i l\u00f4, ngo\u00e0i y\u1ebfu t\u1ed1 may m\u1eafn \u0111em l\u1ea1i, ng\u01b0\u1eddi ch\u01a1i c\u0169ng c\u1ea7n ph\u1ea3i trang b\u1ecb cho b\u1ea3n th\u00e2n nh\u1eefng ki\u1ebfn th\u1ee9c c\u0103n b\u1ea3n nh\u1ea5t. Ch\u1ec9 khi \u0111\u00f3, ng\u01b0\u1eddi ch\u01a1i m\u1edbi t\u1ef1 tin \u0111\u01b0a ra nh\u1eefng ph\u00e1n \u0111o\u00e1n c\u1ee7a m\u00ecnh. V\u00ec v\u1eady, h\u00ecnh th\u1ee9c ch\u01a1i l\u00f4 3 c\u00e0ng l\u00e0 nh\u01b0 th\u1ebf n\u00e0o?<\/span><\/p>\n\u0110i\u0323nh nghi\u0303a l\u00f4 3 ca\u0300ng<\/b><\/h3>\n
L\u00f4 3 c\u00e0ng l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c ch\u01a1i l\u00f4 b\u1eb1ng c\u00e1ch d\u1ef1 \u0111o\u00e1n ra 1 con s\u1ed1 t\u1eeb 000 \u2013 999. Ng\u01b0\u1eddi th\u1eafng gi\u1ea3i s\u1ebd l\u00e0 ng\u01b0\u1eddi c\u00f3 s\u1ed1 d\u1ef1 \u0111o\u00e1n ch\u00ednh x\u00e1c nh\u1ea5t 3 con s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a t\u1ea5t c\u00e1c c\u00e1c gi\u1ea3i trong x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft. (Tr\u1eeb \u0111i c\u00e1c gi\u1ea3i c\u00f3 2 ch\u1eef s\u1ed1). V\u00ed d\u1ee5: Gi\u1ea3i x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc c\u00f3 gi\u1ea3i t\u01b0 l\u00e0 3038 th\u00ec 038 l\u00e0 3 c\u00e0ng mi\u1ec1n b\u1eafc.<\/span><\/p>\n