Предмет: Математика, автор: marinashmatko00

Назови неизвестный компонент действия и найди его. 5+х=12; х+8=14; х-9=19; 14-х=7

Ответы

Автор ответа: gubenok9577

Ответ:

Х-7 ;х- 6; х-28; х-7

Пошаговое объяснение:

marinashmatko00: Можно пошагово еще)

marinashmatko00: хотя не надо

Автор ответа: samuilik

Ответ:Х=7 ;Х=6 ;Х=28; Х=7

Пошаговое объяснение:

Х=12-5

Х=7

5+7=12

Х=14-8

Х=6

6+8=14

Х-9=19

Х=19+9

Х=28

28-9=19

14-Х=7

Х=14-7

Х=7

14-7=7

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