1. put 6 on each side of the scale to get the heavier side 公仔箱論壇. y1 c- h+ x: I" U
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}
6 U, s L b& K4 S( r3 c* Rtvb now,tvbnow,bttvb3. put one on each side to weigh and get the heavier one. |