who can't figure out??????it's just basic math, primary school kid should already know it [-X公仔箱論壇( r9 s* G8 L+ d, M
tvb now,tvbnow,bttvb5 j. j) O B; G
1st: 6 vs 6, find out which side is heavier
7 Q# l; j2 a+ i公仔箱論壇2nd: from the heavy side, 3 vs 3, find out which side is heavier1 W# V, u0 J- A, f2 e
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 |