easy, one minutes i solve the problem) m3 \# m: F+ P- T, |3 U
divide into half, mean 6/ 6
/ u9 k; g; A" ]: Ctake the heavier 6 ping pong
- z5 u0 d: l) ~3 k* Ctvb now,tvbnow,bttvbdivide into 3/3, take the heavier 3
& U1 U$ u0 C' n* R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 |