tìm x
x:10=9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999990
mk cần tìm NY
MK LÀ NAM
NY PHẢI KIÊN NHẪN MỚI CHỊU NỔI MK :) :)