i find one solution that is similarwww2.tvboxnow.com9 U/ e- y/ J$ Q/ }& `9 {" s! `
but i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left....公仔箱論壇) x; E# K5 H) y/ |- u% z- x* T0 }
maybe there is a better one, let me see sin
actually this question always have someone asked, the calculation is very complicated, should give a no. of each ball, and first weight it in 6-6, and .... forgot...