1. divide 6 and 6, both sides will not equal $ s8 [/ d. \4 |2. take any side of the 6, divide then 3 and 3, again both sides will not equal公仔箱論壇3 |* F& [- c0 e& ]& C
3. take any 2 and weigh them 5 B- R f) a! d5 S4 n2 j0 f% g# M, Aif they equal, the one left is the ball.