Question

все пж срочно
по матем

Answer 1

1). 8/11 + x = 1•1/11
x = 1•1/11 - 8/11
x = 12/11 - 8/11
x = 4/11
2). x - 4•8/25 = 2•17/25
x = 2•17/25 + 4•8/25
x = 7
3). 10 - x = 5•6/13
- x = 5•6/13 - 10
x = 10 - 5•6/13
x = 9•13/13 - 5•6/13
x = 4•7/13
Надеюсь, понятно написала

Answer 2

3 7 10
4--- +7---=11---
14 14 14
10 10
11--- -5---=6
14 14
5 5
6+3---=9---
13 13
5 8 18 8 10
9--- -6---=8--- -6---=2---
13 13 13 13 13