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Автор - lidni1983

Упростите выражение, даю 30 баллов

Ответ

Автор - maymr

= 15² - (4√6)² = 225 - 16*6 = 225 - 96 = 129

по формуле

(a - b)(a + b) = a² - b²

Ответ: 129

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