who can't figure out??????it's just basic math, primary school kid should already know it [-X公仔箱論壇% V; I. h4 A, J
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1st: 6 vs 6, find out which side is heaviertvb now,tvbnow,bttvb5 k/ {$ J" L* f3 x$ s/ K, C( D
2nd: from the heavy side, 3 vs 3, find out which side is heavier
9 W# x, L# Z( {3rd: choose 2 out of 3 from the heavier side, if they weight the same, the 1 left is the one, if not, u can see it right away the heavier ball is on the 天秤 |