1. divide 6 and 6, both sides will not equal公仔箱論壇* S$ k* z- I5 s( L$ c7 l! M8 m/ E- w
2. take any side of the 6, divide then 3 and 3, again both sides will not equal $ B; O" R! j+ I) b' X% v( ~3. take any 2 and weigh them + v6 ^2 g9 B+ _" Q8 b1 awww1.tvboxnow.comif they equal, the one left is the ball.