Предмет: Математика, автор: 2118479

Необхідно прочитати книгу у якій 280 сторінок За перший день учень прочитав 1/4 від всієї книги а за другий день 0,3 Скільки сторінок йому залишилося прочитати?

Ответы

Автор ответа: rukavicynmaks

0

Ответ:

126 страниц осталось

Пошаговое объяснение:

за первый день 280:4=70 страниц

за второй 0,3 книги 280×0,3=84

всего прочитал 70+84=154

осталось 280-154=126

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