easy, one minutes i solve the problem
+ G7 Z1 z+ H* F2 `7 etvb now,tvbnow,bttvbdivide into half, mean 6/ 6
/ X9 ^% ?$ z3 w' T+ q. ktake the heavier 6 ping pong
! j! i$ l1 I) i6 g1 R: Kdivide into 3/3, take the heavier 3公仔箱論壇3 C7 A+ S( Z1 {1 q
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 |