i think its like this: 12乒乓球 oooooooooooo 天平 |5.39.217.77:88982 N: B6 p, u( @$ N
1)6乒乓球 | 6乒乓球
0 n/ o6 _6 a" h k2) take the heavier side then 3乒乓球 | 3乒乓球, A. O# K& R# w
3) take the heavier side then 1乒乓球(A) | 1乒乓球(B) with extra 1乒乓球(C)9 A4 |2 I' N" C* D' h3 D! {
if A > B then A is the one
& T8 K& n5 T' M- j Htvb now,tvbnow,bttvbif B > A then B is the one
# J5 b8 Z" K4 v f A( Q- G, u公仔箱論壇if A = B then C is the one |