first, compare 6 and another 6. they must have difference. 2 s1 K& w, j) A( Z3 w' D3 `# c$ n
second, divide those 6 heavier one into two, each has 3. u will find difference again.
- J/ j! v5 I @/ x: s; STVBNOW 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。third time, if u put 2 and they are equal, u will know the different one., c/ J5 V8 i4 s7 @3 D) g
so easy.... |