easy, one minutes i solve the problem
' M8 Y4 ^( Q4 V, ?' @1 W1 C1 T Z5 w公仔箱論壇divide into half, mean 6/ 6
, y% L# t2 Y; K! Q/ Ztake the heavier 6 ping pongtvb now,tvbnow,bttvb; d7 o# M# _- @. Q2 B3 E
divide into 3/3, take the heavier 3
7 `/ b, P) ~0 ]1 T; T9 ^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 |