easy, one minutes i solve the problem! Z4 A: N/ K$ r' \
divide into half, mean 6/ 61 p* G# l, J8 f* s
take the heavier 6 ping pong公仔箱論壇 C6 W/ b0 Q7 Q7 ` h( w- l
divide into 3/3, take the heavier 3) j$ S4 g7 J: N: @9 V: r
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 |