Question

Срочно уровнение
1.(48+k)*8=400
2.54:(x-16)+22=31
3.(x-56):12=37
4.61-(x+15)=30
5.45:(17-x)+9=24
6.60*20*x=72000
6.

Answer 1

1.48+k=400:8=50

k=50-48=2

(48+2)*8=400