easy, one minutes i solve the problem
9 B. u0 M; e- {: Rdivide into half, mean 6/ 6
9 i* i0 U- Z4 W: n9 S3 M公仔箱論壇take the heavier 6 ping pong. j$ q/ j5 a' {
divide into 3/3, take the heavier 3tvb now,tvbnow,bttvb; |+ R3 `4 |7 X% `1 w) c: ~9 ]
take 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 04:58 PM
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