返回列表 回復 發帖
1. 1st divide to half take the heavier outtvb now,tvbnow,bttvb3 B! O$ ^$ g6 w) v0 g
2. 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)
0 R: v! I8 G% z# ftvb now,tvbnow,bttvb3. Same method if is not equal on 2nd try.
返回列表