each side put 6 ping pong.- r1 ~3 m- D/ h. [, t" H
Then select the side of 6 ping pong which is heavier and measure again with 3 + 35.39.217.77& N3 M/ u- l% Q; w- J _* n
Then select the side of 3 ping pong which is heavier.
* v6 }0 f: r, B h# f/ v" sAfter tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.
% l6 S% y7 ]: q! w7 a8 P8 LIf 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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