1. divide 6 and 6, both sides will not equal 0 {8 Z9 Y& m) h( v4 n2. take any side of the 6, divide then 3 and 3, again both sides will not equaltvb now,tvbnow,bttvb- i0 g1 g9 ~# n' l
3. take any 2 and weigh them 6 k+ M, t2 b# e% @0 etvb now,tvbnow,bttvbif they equal, the one left is the ball.