who can't figure out??????it's just basic math, primary school kid should already know it [-X! ^ i" @" W) s4 j
& F5 |: `3 b/ e9 l& L1 p) c$ O! qtvb now,tvbnow,bttvb1st: 6 vs 6, find out which side is heavier
U5 Z, `! C: O7 N: T0 q6 J# O2nd: from the heavy side, 3 vs 3, find out which side is heavier4 e: m( u$ \. t8 J1 R- O7 }1 s
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 |