1. divide 6 and 6, both sides will not equal5.39.217.762 }0 Z ?+ ~- q; s
2. take any side of the 6, divide then 3 and 3, again both sides will not equaltvb now,tvbnow,bttvb4 L d3 Y- F1 G; g) f
3. take any 2 and weigh them $ h- r9 p$ ?( m7 [' q* c- y公仔箱論壇if they equal, the one left is the ball.