s18407908

Verified answer

Ответ:

1) y-54=497+180

y-54=677

y=677+54

y=731

2) x:5=102+58

x:5=160

x=160×5

x=800

3) 370+x=930-265

370+x=665

x=665-370

x=295

4) y×5=436+279

y×5=715

y=715:5

y=143