each side put 6 ping pong.公仔箱論壇 o- b$ c; |: X: j) ?% C% D
Then select the side of 6 ping pong which is heavier and measure again with 3 + 3公仔箱論壇 L# S; v# g3 `' n l$ K
Then select the side of 3 ping pong which is heavier., m, y9 B" U/ M4 \! }$ C
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.公仔箱論壇$ X$ [+ n* Z; q8 B
If 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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