Question

Помогите пожалуйста 1586 прошу вас

Answer 1

1) x = 3/4

2) x = (2*5 + 4)/5 : (1*4 + 3)/4
x = (10 +5)/5 : (4 +3)/4
x = 15/5 : 7/4
x = 15/5 * 4/7
x = 3 * 4/7
x = 12/7

3) x = -9,3 : 3
x = -3,1

4) x = 1/8 - 3/4
x = 1/8 - 6/8
x = -5/8