easy, one minutes i solve the problem
/ y8 g) Q, R; C/ u: }- Ytvb now,tvbnow,bttvbdivide into half, mean 6/ 6
) c$ L& O" y7 w) W. u% ^公仔箱論壇take the heavier 6 ping pongwww2.tvboxnow.com$ |3 J) R* g1 g1 T
divide into 3/3, take the heavier 3
9 e- a1 t3 i% S( p/ Qtvb now,tvbnow,bttvbtake 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 |