1. put 6 on each side of the scale to get the heavier side
" I1 l& n; J2 a; g8 N9 U2. 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}公仔箱論壇- T+ u) p- Q" s# l0 Z! e
3. put one on each side to weigh and get the heavier one. |