easy, one minutes i solve the problem- A" t r1 C& Z* R3 n; k$ C
divide into half, mean 6/ 64 x& b+ g3 ~+ N' s1 M
take the heavier 6 ping pong 6 s: {. h3 l5 ?! |0 }公仔箱論壇divide into 3/3, take the heavier 3 , Z/ e. u6 Y- ^- h B! nwww2.tvboxnow.comtake 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