Предмет: Математика, автор: smotrashiykogot

Знайдіть значення виразу:
3a+9/a2

якщо а= 1, -2, -3

Ответы

Автор ответа: irapolotniuk

4

якщо а = 1, то вираз = 3×1 + 9/1×2 = 7,5

якщо а=-2, то вираз = -8,25

якщо а= -3, то вираз = -10,5

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