Предмет: Математика, автор: azgjrfsf1234567890

уравнение (120 +90)*x.=1 260

alinayam07: 120+90=210 1260:210=6

Ответы

Автор ответа: Migana

0

Ответ:

(120+90)•x=1.260

210•x=1.260

x=1.260:210

x=6

Пошаговое объяснение:

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