6/5*7/8
6/5*8/7
6/5*9/8
4/3*4/3
9/8*2/3
3/1*2/9
8/2*8/7
5/9*7/2
6/9*78/8
169/25*125/13
144/72*9/12
121/625*25/11
63/98*2/5
6/8*7/8
66/22*22/1
69/63*98/97
5698/5697*5697/5698
15/2*15/6
65/58*96/85
12345/54321*54321/1
手好酸,就这样。乘法有很多局限性。有用就拿去。