Предмет: Математика, автор: estavletovad2022

4. 5А класс может помочь убрать дворнику територию школы за 9 минут, а 6А за 18 минут. За какое количество времини справятся дети, работая совместно

laberkomilana80: не мог(ла) бы ты мне помочь? мой последний вопрос по математике. пожааалуйста

estavletovad2022: Давай

laberkomilana80: Космогелоги нашли огромный длинный алмаз и им пришлось его распилить, чтобы части поместились в грузовой отсек.

Сначала они отпилили 3/10 алмаза.

Затем они отпилили 2/7 остатка.

Затем они отпилили 2/5 нового остатка.

Осталось 6м алмаза.

А какой же длины (в метрах) был этот алмаз?

estavletovad2022: Прости мы это не проходили к сожелению

laberkomilana80: блиин, жаль . мне срочно нужно

Ответы

Автор ответа: sergeivicandrej77

0

Ответ:

9*18=162

162:18=9

Пошаговое объяснение:

если не правильно простите :(

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