Предмет: Математика, автор: povelitek

дпдпдсдпжпппрнрл а пиаопе

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Автор ответа: veselovskiy1975

0

Ответ:

Пошаговое объяснение:

Середнє арифметичне знаходиться (а+б)/2

Відомо одне число (14,6) та середнє арифметичне (19)

знаходимо с.а х 2 - а

19 х 2 - 14,6 = 23,4

Друге число 23,4

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