who can't figure out??????it's just basic math, primary school kid should already know it [-X5.39.217.77:88985 t) y' I/ }! h9 [
公仔箱論壇- `! e) Q$ R( N+ `, a8 d
1st: 6 vs 6, find out which side is heavier9 j) J' V% g8 p3 b7 k0 W& X
2nd: from the heavy side, 3 vs 3, find out which side is heavier
3 U( w0 v& b+ {/ X3 l2 K5.39.217.77:88983rd: 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 |