1. divide 6 and 6, both sides will not equal 9 Y8 p% @* ]; `9 g9 u4 W" M. w. `! j公仔箱論壇2. take any side of the 6, divide then 3 and 3, again both sides will not equal公仔箱論壇4 B3 z9 Q4 u1 H) G; s
3. take any 2 and weigh them5.39.217.778 X7 e$ w) E" N3 M
if they equal, the one left is the ball.