1. put 6 on each side of the scale to get the heavier side 1 ?' x6 O8 o! `
2. 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}+ B' a. {9 ^+ O
3. put one on each side to weigh and get the heavier one. |
發表於 2008-7-13 10:51 PM
| 
