1. divide 6 and 6, both sides will not equal 6 U% O" j, n1 `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。( {1 P% X/ u0 d& Q1 ^' T
3. take any 2 and weigh them n6 R- k3 `+ j( i& D4 K
if they equal, the one left is the ball.