first, compare 6 and another 6. they must have difference. + P1 d) h% o0 }3 k$ F4 b
second, divide those 6 heavier one into two, each has 3. u will find difference again.
) G f: P; g1 }4 htvb now,tvbnow,bttvbthird time, if u put 2 and they are equal, u will know the different one.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。. r% c2 v+ e9 `5 |( j( G3 i
so easy.... |