原帖由 stupid818 於 2008-4-17 11:42 PM 發表 0 a ^: G5 h" [6 m, O/ u! I [2 z x9 s
first, compare 6 and another 6. they must have difference. os.tvboxnow.com+ g& {; m4 k, a8 l- k
second, divide those 6 heavier one into two, each has 3. u will find difference again.7 h; R V/ e0 B3 U# ]
third time, if u put 2 and they are equal, u will kno ... os.tvboxnow.com# P1 r; h7 d, p9 h- i
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but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |