easy, one minutes i solve the problem
- e8 y8 v5 G' Z, n* G' R8 ydivide into half, mean 6/ 6* J+ D" K3 i8 ~1 f9 y7 Y6 E7 x( w
take the heavier 6 ping pong
; Z: D8 a& K5 I {- h9 P: qtvb now,tvbnow,bttvbdivide into 3/3, take the heavier 3公仔箱論壇- p! ~+ m7 D9 J1 g4 \: u
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 |