\u0110\u1ed1i v\u1edbi tay ch\u01a1i chuy\u00ean nghi\u1ec7p trong gi\u1edbi m\u1ed9 \u0111\u1ea1o th\u00ec <\/span>soi c\u1ea7u b\u1ea1c nh\u1edb<\/span> l\u00e0 m\u1ed9t m\u00f3n kh\u00f4ng th\u1ec3 b\u1ecf qua. D\u01b0\u1eddng nh\u01b0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e1c cao th\u1ee7 l\u00e0m l\u00f2ng trong tay v\u00e0 c\u01a1 h\u1ed9i tr\u00fang gi\u1ea3i l\u00ean \u0111\u1ebfn 90%. V\u1eady <\/span>soi c\u1ea7u b\u1ea1c nh\u1edb<\/span> l\u00e0 g\u00ec v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1eaft l\u00f4 \u0111\u1ec1 chu\u1ea9n x\u00e1c? H\u00e3y c\u00f9ng theo d\u00f5i b\u00e0i vi\u1ebft sau:<\/span><\/p>\n