1. divide 6 and 6, both sides will not equal- N3 q3 }/ ~) C* ?
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。) z9 G7 l1 U9 V2 t5 z
3. take any 2 and weigh them$ h3 G+ q1 w' ~! H' g. M
if they equal, the one left is the ball.