1. divide 6 and 6, both sides will not equal7 V+ f" ]% P# U& u
2. take any side of the 6, divide then 3 and 3, again both sides will not equal ' i4 i9 v' M \2 h5 X3. take any 2 and weigh them 1 j$ e- R: g( A% bif they equal, the one left is the ball.