1. divide 6 and 6, both sides will not equal公仔箱論壇4 k- n: c B3 l2 X
2. take any side of the 6, divide then 3 and 3, again both sides will not equalwww3.tvboxnow.com7 A' z( w$ w j3 @
3. take any 2 and weigh them : ?. I- k' Z) T# p5 Q$ @( T, Bif they equal, the one left is the ball.