first, compare 6 and another 6. they must have difference.
0 m3 l- u2 l& t4 Y. t& Usecond, divide those 6 heavier one into two, each has 3. u will find difference again.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。3 c7 j* F# A9 @' |' s
third time, if u put 2 and they are equal, u will know the different one.1 _' T: i6 s- R& J. c5 \* g2 K b; J
so easy.... |
發表於 2008-4-17 11:42 PM
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