first, compare 6 and another 6. they must have difference.
6 z/ o& ]4 i4 @4 T* Ssecond, divide those 6 heavier one into two, each has 3. u will find difference again.9 O% `$ Z* `; N2 ~1 k& W3 @0 @ B5 B
third time, if u put 2 and they are equal, u will know the different one.
8 k: j. a: m: U: U( ]TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。so easy.... |