easy, one minutes i solve the problem
7 D, A$ r; p8 ^# }6 Vtvb now,tvbnow,bttvbdivide into half, mean 6/ 65.39.217.767 n N4 R- y. C2 V9 s) Z5 a. l) {
take the heavier 6 ping pong
' w2 D4 x: b2 C# w9 Fdivide into 3/3, take the heavier 38 d, Z4 Q: S* M. l) u0 @6 d
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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