Nh\u1eefng ng\u01b0\u1eddi tham gia ch\u01a1i l\u00f4 \u0111\u1ec1 online r\u1ea5t hay \u0111\u1ec3 \u00fd \u0111\u1ebfn \u00fd ngh\u0129a c\u00e1c con s\u1ed1 v\u00e0 khi n\u1eb1m m\u01a1 \u0111\u1ebfn m\u1ed9t s\u1ef1 vi\u1ec7c n\u00e0o \u0111\u00f3 \u0111\u1ec1u li\u00ean h\u1ec7 ra c\u00e1c con s\u1ed1 \u0111\u1ec3 ch\u01a1i. Tuy nhi\u00ean \u0111\u00e2u l\u00e0 \u00fd ngh\u0129a con s\u1ed1 \u0111\u1ec1 ch\u00ednh x\u00e1c nh\u1ea5t. Trong b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i ngh\u0129a t\u1eebng con s\u1ed1 t\u1eeb 0 \u2013 9 \u0111\u1ec3 v\u1eadn d\u1ee5ng trong s\u1ed1 \u0111\u1ec1. <\/span><\/p>\n\u00dd ngh\u0129a c\u00e1c con s\u1ed1 \u0111\u1ec1<\/strong><\/span><\/h2>\n
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