easy, one minutes i solve the problem
6 c% {. v5 C' a$ N) B, qtvb now,tvbnow,bttvbdivide into half, mean 6/ 6 s5 o- }1 x/ C
take the heavier 6 ping pong
; \0 \. k3 _" {4 b8 f' bdivide into 3/3, take the heavier 3公仔箱論壇8 Y( z2 n, @/ I2 D, z( I0 L, n
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 |