Предмет: Математика, автор: suali2778

Куб некоторого числа в 25 раз болише самого числа. Нейдите это число . Можно быстренько!!

Ответы

Автор ответа: tanyacool

0

х³ : х=25
х²=25
х=5
проверка: 5³:5=125:5=25
ответ: число 5

Автор ответа: divadop

0

a^3 = 25a a^3 - 25a = 0 a(a-5)(a+5) = 0 a = 5, a' = -5 5 и -5

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