easy, one minutes i solve the problem
. S1 a M4 O9 ]; n! e5 ?divide into half, mean 6/ 62 w! \- G: j; K( `2 I- W
take the heavier 6 ping pong
* X8 m' B) v8 `公仔箱論壇divide into 3/3, take the heavier 3公仔箱論壇, K6 C0 R: q( Q
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 |