1. divide 6 and 6, both sides will not equalwww3.tvboxnow.com0 |7 ~- J p9 \7 q+ J, x! r
2. take any side of the 6, divide then 3 and 3, again both sides will not equalwww3.tvboxnow.com/ J2 J& X ~9 }% s9 x6 U
3. take any 2 and weigh them 2 ?5 y5 e7 f2 M% H+ \6 q公仔箱論壇if they equal, the one left is the ball.