easy, one minutes i solve the problem/ [2 d$ Z, Q+ T2 T
divide into half, mean 6/ 6
0 m/ C* P0 p& M: j, k7 [; ytake the heavier 6 ping pong公仔箱論壇. L4 Q7 t4 I2 E
divide into 3/3, take the heavier 35.39.217.77" n7 c% k6 G- d* N7 x
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 |