easy, one minutes i solve the problem
7 |/ ~; Q [7 s/ k! d$ Xdivide into half, mean 6/ 6
* l. Z* X# W" ~5 ltvb now,tvbnow,bttvbtake the heavier 6 ping pong
|+ I4 \- X+ l' q2 w# D公仔箱論壇divide into 3/3, take the heavier 3
, P# X! l; g) S1 L0 a% Q |2 N: Htake the the other 3 that have the equal weight, switch each to measure, the most important things is labeling the ping pong so that we can recognize |
發表於 2009-2-8 08:11 PM
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