easy, one minutes i solve the problem
9 x( B' _( m; s- |( X O# u1 Tdivide into half, mean 6/ 6
1 j/ M# H) o+ H8 W! A公仔箱論壇take the heavier 6 ping pong
; k3 W9 g5 O7 J& ^$ s* Y( v2 \tvb now,tvbnow,bttvbdivide into 3/3, take the heavier 3
$ F: j( X6 v& C# G6 S8 }7 C8 n0 I& E0 Qtvboxnow.comtake 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 |