Предмет: Математика, автор: krasnastya82

помогите с математикой пожалуйста. решите уравнения. вот эти два уравнения?

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Ответы

Автор ответа: nikachika33

1

(67-23)+y=786-145

44+y=641

y=641-44

y=597

484÷4+x=210

121+x=210

x=210-121

x=89

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