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nikolasosadchey
nikolasosadchey
21.03.2020 19:26 •  Математика

Рассчитай длину ребра куба, если объём куба равен 512м(в кубе)

👇
Ответ:
Объём куба равен V = a³, где а - длина ребра
512 = а³ → а = ∛512 = 8
ответ: длина ребра а = 8м
4,8(28 оценок)
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Ответ:
sunlight2
sunlight2
21.03.2020
ЗАДАЧА 1:
Производительность мастера - 9 д/ч
Производительность ученика - ? д/ч в 3 раза меньше
Изготовит ученик за 6 ч работы - ? деталей
                                                 Решение:
1)9:3=3(д/ч) - производительность труда ученика
2)3х6=18(д) - изготовит ученик за 6 часов
ответ:18 деталей.
Задача 2:
Телевизор 1 марки - 124000 тенге                   
                                                                               Вместе - ?
Телевизор 2 марки - ? на 40000 тенге больше
                                                             Решение:
1)124000+40000=164000(тенге) - стоит телевизор 2 марки
2)124000+164000=288000(тенге) - общая стоимость телевизоров 
ответ:288000 тенге.
4,6(66 оценок)
Ответ:
tseng7788
tseng7788
21.03.2020

Пошаговое объяснение:

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4,6(44 оценок)
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