each side put 6 ping pong.公仔箱論壇! M$ ?/ F9 j' v; r" P, j$ z
Then select the side of 6 ping pong which is heavier and measure again with 3 + 3公仔箱論壇, a& N4 Q& D" r+ H3 N( H
Then select the side of 3 ping pong which is heavier.公仔箱論壇* L* K. G4 l0 v, `/ A+ E4 w
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.
: Q8 @2 J- K4 ?4 g( ?! Vtvb now,tvbnow,bttvbIf one side is heavier means the heavier side ping pong is the one |
發表於 2008-10-4 11:56 AM
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