1. divide 6 and 6, both sides will not equal : ^# E8 R' r: L! Y8 k5.39.217.762. take any side of the 6, divide then 3 and 3, again both sides will not equal 5 \# y8 Q. W* Y. v+ ]) B公仔箱論壇3. take any 2 and weigh them 1 U# _ i2 }# X# P% N: R5.39.217.76if they equal, the one left is the ball.