1. divide 6 and 6, both sides will not equal 8 k9 w) M/ M' o5 i# Q2. take any side of the 6, divide then 3 and 3, again both sides will not equal公仔箱論壇- K* \7 K S! d4 j
3. take any 2 and weigh them , Z W; h1 S- C2 s8 |0 [# \公仔箱論壇if they equal, the one left is the ball.