easy, one minutes i solve the problemtvb now,tvbnow,bttvb J- U" Z2 R- c# C5 |0 b$ q
divide into half, mean 6/ 6
4 c0 T, h' q+ b2 g9 f7 Btake the heavier 6 ping pong
0 t8 n! U3 y$ c# \& |! Q* ~( X6 Ftvb now,tvbnow,bttvbdivide into 3/3, take the heavier 3
2 s2 J3 F9 f) e! wtvb now,tvbnow,bttvbtake 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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