who can't figure out??????it's just basic math, primary school kid should already know it [-X公仔箱論壇! h. R' H+ n* ]5 B/ q( v
8 j J/ ?0 O2 i( d% w' y9 r1 W" H- S( b公仔箱論壇1st: 6 vs 6, find out which side is heavier
' Q/ L0 C' f8 ~! K- n* E: W2nd: from the heavy side, 3 vs 3, find out which side is heavier
3 p5 `6 N; A+ {公仔箱論壇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 |