1. divide 6 and 6, both sides will not equal7 A0 L- a9 ~4 p% C$ j: j7 E
2. take any side of the 6, divide then 3 and 3, again both sides will not equalTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。: a1 {& h- Z" G. @) I" b
3. take any 2 and weigh them : C5 W1 Y. J+ @ [$ oif they equal, the one left is the ball.