Предмет: Математика, автор: amiryakubov2009

решите уравнение: 1) x + 9/20 = 3/4; 2) 25/36-х = 5/28.​

Ответы

Автор ответа: iegorbreus
0

Ответ:

1)х=\frac{9}{20}-\frac{3}{4} =-\frac{3}{10} \\

2)х=\frac{25}{36}+\frac{5}{28} =\frac{55}{63}

Пошаговое объяснение:

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