Question

9/10-7/9
57/90-29/48
(7/15-1/6)+2/5
5/18+1/9
66/84+39/42
(3/8-1/9)+25/36
2/3-7/16
59/64-21/32
(8/9-5/6)+2/3
2/7+1/3
57/62+23/31
(7/18-1/12)+9/10

Answer 1

у 48: 2,3,4,6,8,12,16,24,48. у 56: 2,4,7,8,14,28,56. у 36: 2,3,4,6,12,18,36. у 98: 2,7,14,49,98.