easy, one minutes i solve the problem
" g* ^7 V- P( ?1 f d: ]# ~5.39.217.77:8898divide into half, mean 6/ 6" ]! n/ o- m# V# K
take the heavier 6 ping pongtvb now,tvbnow,bttvb: f+ { d) J. L: y
divide into 3/3, take the heavier 3
9 q! E& O0 C" s/ l( xtake 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 |