1. 1st divide to half take the heavier outtvb now,tvbnow,bttvb5 X3 [, ?8 X" p+ T
2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for)2 B; {% W ^9 ^& J$ s$ Z' H0 l6 V
3. Same method if is not equal on 2nd try. |
發表於 2011-11-1 01:28 PM
| 
