easy, one minutes i solve the problem
3 p3 X3 {4 T. j: R7 y+ T! tos.tvboxnow.comdivide into half, mean 6/ 6
0 O2 t4 T- q; u2 @: Y- F+ m, Z3 rtake the heavier 6 ping pongos.tvboxnow.com9 W! {. e d' }8 S0 J
divide into 3/3, take the heavier 3
' v, ?' b9 e2 G: P% kos.tvboxnow.comtake 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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