easy, one minutes i solve the problem
+ r) T5 e3 {7 E7 O6 Edivide into half, mean 6/ 6tvb now,tvbnow,bttvb, w/ U9 X) ~# e$ L
take the heavier 6 ping pong
. i6 C% P+ _! P* a公仔箱論壇divide into 3/3, take the heavier 3
1 U' g) U3 I. e6 y公仔箱論壇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 |