1. divide 6 and 6, both sides will not equal + T9 ^2 a4 L f( |tvboxnow.com2. take any side of the 6, divide then 3 and 3, again both sides will not equal* k0 E/ C* H: T. G4 B! u$ c; ~
3. take any 2 and weigh them ( K" Z$ z l8 L公仔箱論壇if they equal, the one left is the ball.