easy, one minutes i solve the problem5.39.217.77( ?0 l5 x8 x- l4 ^9 f2 E
divide into half, mean 6/ 6
: k/ Z# Z4 Z7 l5 J9 d: S8 Atake the heavier 6 ping pong
* W' E/ r) C; s$ Q2 k公仔箱論壇divide into 3/3, take the heavier 3
8 D' G$ l; O/ a6 z' \0 A5.39.217.77take 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 |