each side put 6 ping pong.$ G- V, ]7 C. C( }
Then select the side of 6 ping pong which is heavier and measure again with 3 + 3
/ t5 W7 n7 J; }/ a9 Atvb now,tvbnow,bttvbThen select the side of 3 ping pong which is heavier.5.39.217.76* D& i$ L" U( X7 W0 w
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.
2 W. J; Y1 p3 `公仔箱論壇If one side is heavier means the heavier side ping pong is the one |
發表於 2008-10-4 11:56 AM
| 
