Предмет: Математика, автор: Coolcoo

Допоможіть будь ласка з 19

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Автор ответа: vitiavasylenko

Ответ:

Пошаговое объяснение:

так
якщо підставити
то вийде -5 + 5 = 0

це теж саме що і 5 - 5 = 0

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