原帖由 stupid818 於 2008-4-17 11:42 PM 發表 tvb now,tvbnow,bttvb" M& R3 [5 a/ r) L
first, compare 6 and another 6. they must have difference.
% C7 L/ U7 v( [7 u& W( gsecond, divide those 6 heavier one into two, each has 3. u will find difference again.! Y3 [: U) {; X5 L
third time, if u put 2 and they are equal, u will kno ... 5.39.217.77& b6 G9 \+ D: d5 X- B/ u, Y6 U
* ~2 ^2 } j- T m( u' T, Hbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |