easy, one minutes i solve the problem
( x; ^/ e! _! E, m" R2 Z& x' K3 X& W+ bdivide into half, mean 6/ 6
6 C$ y: U: ?! G+ o, t5.39.217.76take the heavier 6 ping pong
& n7 f. i% I+ L! _, W8 X* W; x5.39.217.76divide into 3/3, take the heavier 35.39.217.76- y0 K5 s2 b* D" t' G$ _
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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