1. divide 6 and 6, both sides will not equal 2 F7 i1 D8 W2 G. w5.39.217.762. take any side of the 6, divide then 3 and 3, again both sides will not equal公仔箱論壇' B2 u: \0 Q4 ?+ p
3. take any 2 and weigh them公仔箱論壇3 i* R1 X* s2 F" z. d5 @
if they equal, the one left is the ball.