Предмет: Математика, автор: brnnsk1975

математика упр 427
решать уравнением ​

Приложения:

Ответы

Автор ответа: rogohkina2004
0

Ответ:1) x=0

2) x=35

3) a=8920

4) a=15

Пошаговое объяснение:

1) 90+60-x=150

-x=150-90-60

-x=0

x=0

2) 5x=294-119

5x=175

x=175:5

x=35

3) 800:10+a=9000

80+a=9000

a=9000-80

a= 8920

4) a-175:35=10

a-5=10

a=10+5

a=15

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