easy, one minutes i solve the problem
. D4 C- p) v3 S/ c }. m6 gdivide into half, mean 6/ 6公仔箱論壇0 Z% m3 Q7 b( C+ r6 H {
take the heavier 6 ping pong8 I- U v$ L7 t! _6 N
divide into 3/3, take the heavier 3
6 }# u8 C( W h9 I. _tvb 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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