1. put 6 on each side of the scale to get the heavier side
& Y9 U! C* o: V5 z5 Y公仔箱論壇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}5 r& p, U$ D7 z8 G. }6 b+ R
3. put one on each side to weigh and get the heavier one. |