who can't figure out??????it's just basic math, primary school kid should already know it [-X7 D2 k" ?; D6 U0 {
* B' C% V" A" C% }; G# X* C- Ftvb now,tvbnow,bttvb1st: 6 vs 6, find out which side is heavier
' ?7 L* b# B1 A/ N0 L/ J5 t公仔箱論壇2nd: from the heavy side, 3 vs 3, find out which side is heavier
) I1 f m# x5 s0 z5 I* w+ Y3rd: 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 |