1. divide 6 and 6, both sides will not equal' v" q2 h9 v+ C8 l: i
2. take any side of the 6, divide then 3 and 3, again both sides will not equaltvb now,tvbnow,bttvb4 s; \7 e5 W0 i- ?
3. take any 2 and weigh them公仔箱論壇" h* g' d1 i/ G3 ^
if they equal, the one left is the ball.
發表於 2007-6-16 08:33 PM
| 
