1. divide 6 and 6, both sides will not equal 1 H. T2 H5 R9 I p* h: }$ d公仔箱論壇2. take any side of the 6, divide then 3 and 3, again both sides will not equal ) h7 S" c0 H1 y8 ^' E: qos.tvboxnow.com3. take any 2 and weigh them 2 z% r" [5 s* h1 uif they equal, the one left is the ball.