Предмет: Математика, автор: mrktlux

1000-(6а+40)=300 пж срочнг

Ответы

Автор ответа: downshiftermad41

0

Відповідь:

Покрокове пояснення:

1000-(6а+40)=300

-6а-40=300-1000

-6а= -700+40

6а=660

а=660/6

а=110

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