easy, one minutes i solve the problem公仔箱論壇1 B6 A* `1 u4 _- c) q& S& |* C
divide into half, mean 6/ 6
, y( _& j6 b3 Wtvb now,tvbnow,bttvbtake the heavier 6 ping pong s6 u' |, f+ t$ N! G- }7 m6 i
divide into 3/3, take the heavier 3tvb now,tvbnow,bttvb- _7 W4 w {, b
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 08:11 PM
| 