原帖由 stupid818 於 2008-4-17 11:42 PM 發表  " L P) Q! v: {6 I3 }) z0 y
first, compare 6 and another 6. they must have difference. 5.39.217.77" ? U7 q0 K" c
second, divide those 6 heavier one into two, each has 3. u will find difference again.
$ ^/ \6 T" J. V7 b2 U5 `4 Fthird time, if u put 2 and they are equal, u will kno ...
, b" j( B2 C/ }5 `% y/ Mbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |
發表於 2008-4-18 03:54 PM
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