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Автор - milana200696

Отдам все баллы! Решите наиболее удобным способом.
3,54 * 77,7 - 3,54 * 7,7 + 7,46 * 77,7 - 7,46 * 7,7

Ответ

Автор - tatsach

Ответ:

Пошаговое объяснение:

3,54*(77,7-7,7)=3,54*70

7,46*(77,7-7,7)=7,46*70

70*(3,54+7,46)=70*11=770

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