easy, one minutes i solve the problem
- t; D5 O1 ^. ^; Ctvb now,tvbnow,bttvbdivide into half, mean 6/ 6
& S! w( w' T6 P/ k: }' |take the heavier 6 ping pong
! f% N' C& _( u0 tdivide into 3/3, take the heavier 3公仔箱論壇% l, u1 d0 t! F! Z5 K1 d
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 |
發表於 2009-2-8 04:58 PM
| 
