30/3= 20/5= 24/8= 39/13= 28/7= 36/12= 98/14= 93/31= 72/12= 84/4= 40/8= 42/6= 44/4= 45/5= 56/7= 48/4= 12/2= 15/3= 63/3= 54/6= 52/13=
48/3= 51/3= 69/3= 66/3= 99/3= 98/49= 423/9=
336/3= 348/6= 549/9= 184/23= 135/5= 666/9= 783/9=
252/7= 1881/99= 225/9= 376/8= 1375/25= 234/6= 546/6=
210/5= 558/6= 1440/32= 3105/5= 192/8= 496/8= 96/8=
702/9=
题目呢