easy, one minutes i solve the problem
! r) p( z1 N2 k& x+ Y3 ddivide into half, mean 6/ 6www.tvboxnow.com" w* j6 S* h: w" ?
take the heavier 6 ping pong
; y1 x: |7 H9 {% v4 Q) G公仔箱論壇divide into 3/3, take the heavier 3
" q( y3 \3 g; Y& M" N' L7 g) \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 |