1. put 6 on each side of the scale to get the heavier side
; r& l# I' s) K1 N: W2. 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}
6 q) v" k& Z3 L- N, s& U; \9 D5.39.217.763. put one on each side to weigh and get the heavier one. |