1. divide 6 and 6, 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。0 J* p! }* M1 r7 M! q- b2 j( P' Y- S
2. take any side of the 6, divide then 3 and 3, again both sides will not equal7 W8 Y q; U/ z3 W1 h' d
3. take any 2 and weigh them3 C, Q+ o, b" R' I( J" U
if they equal, the one left is the ball.