easy, one minutes i solve the problem - H! b3 L& e& B" A4 {- T公仔箱論壇divide into half, mean 6/ 62 V9 t* d6 w5 G4 P" G% A
take the heavier 6 ping pong5.39.217.77! G8 i0 Q4 e: B8 ]8 S0 z( M
divide into 3/3, take the heavier 3 * }/ n& i! s$ u5 c F0 j* F; Etake 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