1. divide 6 and 6, both sides will not equal: b" q1 r5 T& h% v4 J6 E2 {$ H2 @
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。8 v- ]* J% C( d2 O; ]
3. take any 2 and weigh them ; h) _+ U& g$ d. nif they equal, the one left is the ball.