first, compare 6 and another 6. they must have difference. 公仔箱論壇 _2 N! z( W, I$ i' O2 a! m# n. M
second, divide those 6 heavier one into two, each has 3. u will find difference again.
6 J& [9 Q3 k% C5 Uthird 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。7 p% H) O) p9 e! e
so easy.... |