1. divide 6 and 6, both sides will not equal$ U- i, B' N2 [0 _" e- V6 Q
2. take any side of the 6, divide then 3 and 3, again both sides will not equal; z/ m/ G- t! @% ~1 |
3. take any 2 and weigh them& h# T3 @1 b- I. a8 K, ]
if they equal, the one left is the ball.