who can't figure out??????it's just basic math, primary school kid should already know it [-X5.39.217.77:8898- n. N2 R+ I# T8 A. U5 Y$ s1 I% e* o
1 O, L; |, C1 ]5 i9 b
1st: 6 vs 6, find out which side is heavier
4 C1 k$ `1 h1 y* Z- }/ t公仔箱論壇2nd: from the heavy side, 3 vs 3, find out which side is heavier |, u# l% y4 u
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 |