Предмет: Математика, автор: Ulyana90907

задание на фото Пожалуйста помогите у меня только есть 10 балов если можете ответьте сейчас а то мама на кусочки порубить меня

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Ответы

Автор ответа: akerke10123z

Ответ:

1)(х-638)+138=423

х-638+138=423

х-500=423

х=500+423

х=923

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