easy, one minutes i solve the problem
( d: P6 E: o7 Wdivide into half, mean 6/ 6
8 x+ ~# l: o! l! G0 ltake the heavier 6 ping pong
. A9 a- q% x: }2 Utvb now,tvbnow,bttvbdivide into 3/3, take the heavier 3
+ g4 s9 ^! e2 ~) w$ O! d公仔箱論壇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 |