who can't figure out??????it's just basic math, primary school kid should already know it [-X公仔箱論壇. L, t: X- z9 m ~
2 L( G& K6 k9 M3 R公仔箱論壇1st: 6 vs 6, find out which side is heavier
; T. |1 ]% M. K- S8 }/ qtvb now,tvbnow,bttvb2nd: from the heavy side, 3 vs 3, find out which side is heavier
% C# c- N: b2 f( v3rd: 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 |