easy, one minutes i solve the problem
0 w L" H" v3 I% Q) G. etvb now,tvbnow,bttvbdivide into half, mean 6/ 6公仔箱論壇9 {+ h& A8 @/ H0 p5 j
take the heavier 6 ping pong
7 X' O8 l& x) B( w5.39.217.76divide into 3/3, take the heavier 3
/ Q8 q, r# s' htvb 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 |