Question

помогите пожалуйста пж 510

Answer 1

1)(7/15-1/6)+2/5
3/10+2/5
7/10
2)(3/8-1/9)+25/36
19/72+25/36
23/24
3)(8/9-5/6)+2/3
1/18+2/3
12/18
4)(7/8-13/20)+9/10
9/40+9/10
9/8
5)(7/18-1/12)+5/6
11/36+5/6
41/36
6)(3/4-8/15)+17/20
13/60+17/20
16/15