реши уравнения а+156=17*20, 252:36*х=560, (1604-у)-108=800, 103300:(х+297)=25*2

Question

реши уравнения а+156=17*20, 252:36*х=560, (1604-у)-108=800, 103300:(х+297)=25*2

Answer 1

1)а=184

2)х=80

3)у=696

4).........