who can't figure out??????it's just basic math, primary school kid should already know it [-X$ E6 ~: w3 E# a+ x1 H
7 f0 [; I4 V. v, |: e2 E7 F1st: 6 vs 6, find out which side is heavier( c3 I0 @! n7 _; D) L
2nd: from the heavy side, 3 vs 3, find out which side is heavier
& H3 H+ D2 U+ _ d% H$ g6 {9 N公仔箱論壇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 |