1. divide 6 and 6, both sides will not equal ' V0 O6 z' q. w公仔箱論壇2. take any side of the 6, divide then 3 and 3, again both sides will not equalos.tvboxnow.com4 S! a/ [" \- X
3. take any 2 and weigh them ' U" Z% I3 v' w5 h0 i eif they equal, the one left is the ball.