easy, one minutes i solve the problem5.39.217.76 a" b# e, m, `0 t
divide into half, mean 6/ 6
8 Q" k5 j; b0 E# J5.39.217.76take the heavier 6 ping pong公仔箱論壇4 X7 c* T! c1 E4 s6 @
divide into 3/3, take the heavier 3
7 R2 Y C# `* H o4 a/ U- K. Rtake 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 |