Предмет: Математика, автор: burim0915

Здравствуйте помогите решить пример 209+(320*x-411)=438

Ответы

Автор ответа: umarrakhmonberdiev10

Ответ:

320х-411=438-209

320х-411=229

320х=229+411

320х=640

×= 640÷320

х=2

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