1. put 6 on each side of the scale to get the heavier side 9 ]; T) P6 R9 t8 ?2 u/ e( _
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}
) A% d* |2 I( ]# [! t' B3 U公仔箱論壇3. put one on each side to weigh and get the heavier one. |