easy, one minutes i solve the problem
" x, |- i' x; O5 q9 x: D: g: Z6 c& ntvb now,tvbnow,bttvbdivide into half, mean 6/ 6公仔箱論壇* f! s& E: C$ U/ [: B9 _
take the heavier 6 ping pong
- r" E# V1 j3 y# F4 T; x6 ?, W公仔箱論壇divide into 3/3, take the heavier 3
2 j* j/ M4 {! Z1 k0 M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 |