Предмет: Математика, автор: podrepnaiy

бетонный шар весит 0,5 т . сколько тонн будет весить шар вдвое бодьше радиуса , сделанный из такогоже бетона

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Автор ответа: milasuper1999

Объем шара равен 4/3 Пи
и делай в 2 раза больше и 2 в кубе будет 8
получается 0,5*8=4т

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