1. divide 6 and 6, both sides will not equal% t- m; a+ C7 a5 f* M
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。6 N: u5 k7 ~' s/ P2 n+ I
3. take any 2 and weigh them ( ?& P2 R& I. h: l5.39.217.76if they equal, the one left is the ball.