who can't figure out??????it's just basic math, primary school kid should already know it [-Xwww3.tvboxnow.com5 ]- `- X2 m7 ~6 k
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1st: 6 vs 6, find out which side is heavier
' p$ o H6 U7 b2nd: from the heavy side, 3 vs 3, find out which side is heavier
' J4 @3 I/ V L; p8 Gtvb now,tvbnow,bttvb3rd: 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 |