easy, one minutes i solve the problem
4 N W5 m2 y6 k9 M) ndivide into half, mean 6/ 6
4 O6 S, s. r' @9 c" z' ]5.39.217.77take the heavier 6 ping pong5.39.217.77$ w9 `) F1 N5 v" e
divide into 3/3, take the heavier 3
% d0 ], Q9 I$ P; o# ?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 08:11 PM
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