返回列表 回復 發帖
1. 1st divide to half take the heavier out
9 |* K* H+ M' H2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for)5.39.217.767 F% l4 Z/ H5 I; l5 c* V
3. Same method if is not equal on 2nd try.
返回列表