1. divide 6 and 6, both sides will not equal 4 m9 v% c4 Y1 g; \: A3 x5.39.217.77:88982. take any side of the 6, divide then 3 and 3, again both sides will not equal# k# U4 Z3 J' }# X1 t
3. take any 2 and weigh them公仔箱論壇. j$ _: E& n7 m3 U% u
if they equal, the one left is the ball.