who can't figure out??????it's just basic math, primary school kid should already know it [-X
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3 x. L* r( ? l1 _1 t8 L! A1st: 6 vs 6, find out which side is heavier
9 i, D1 M0 V0 |5 H# e' B. |2nd: from the heavy side, 3 vs 3, find out which side is heavier公仔箱論壇, g! J5 }6 I0 S, C1 y$ N
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 |