who can't figure out??????it's just basic math, primary school kid should already know it [-X
' e1 v/ [! z" [3 Y: M$ N5.39.217.77:8898
& ^& K% J# {( O6 ^# U1st: 6 vs 6, find out which side is heavier
3 m: r; P) R% [/ F7 V8 D0 Dtvb now,tvbnow,bttvb2nd: from the heavy side, 3 vs 3, find out which side is heavier
% i, G) ]$ k0 \: n9 f" l5.39.217.77:88983rd: 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 |