1. put 6 on each side of the scale to get the heavier side
1 i& y5 f) n; F) d: A3 f/ H6 F% t2. take off any two balls from the more heavier side (among 6 balls) and put 2 on each side of the scale to weigh and get the heavier side(which are 2 balls) {if at this moment the scale is balanced, then weigh the 2 balls which we took out before} {if at this moment the scale is not balanced, then go 3}, U& N' r4 f0 t, p6 ]+ L5 Q. k" F9 G
3. put one on each side to weigh and get the heavier one. |
發表於 2008-7-13 10:51 PM
| 
