1. divide 6 and 6, both sides will not equal ) A8 t$ i- p9 Z( ? U2 ltvb now,tvbnow,bttvb2. take any side of the 6, divide then 3 and 3, again both sides will not equal " e" B7 b$ [5 @' d- y" N1 \3. take any 2 and weigh them公仔箱論壇; e0 d) \: a* O% ]$ \0 s. X
if they equal, the one left is the ball.