Предмет: Математика, автор: mrniknik

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Автор ответа: anna171770

1

Ответ:

Пошаговое объяснение:

¹²³/₁₃ - x = ⁹⁹/₁₃

-x = ⁹⁹/₁₃ - ¹²³/₁₃

-x = - ²⁴/₁₃

x = 1¹¹/₁₃

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