jen198053

who can't figure out??????it's just basic math, primary school kid should already know it [-X
) z3 L4 P5 R- O! B- ~' y5.39.217.77公仔箱論壇1 b  H  H! x2 j, d+ d2 l( s
1st: 6 vs 6, find out which side is heaviertvb now,tvbnow,bttvb8 r$ K, y3 {! g
2nd: from the heavy side, 3 vs 3,  find out which side is heavier" k) f2 O6 T. j# j* f
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

jen198053

there got more simple way to do it, just read my way, the one i answered before