Предмет: Математика, автор: mironovanika601

помогите пожалуйста математика Виленкин номер 570.вот эти 2 примера​

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Ответы

Автор ответа: parus77
1

Ответ:

Пошаговое объяснение: первый пример по действиям

решение и ответы внизу

Приложения:
mironovanika601: спасибо большое очень помогли
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