Предмет: Математика, автор: zaikaZere

сократите дробь 25x^2-20xy/16y^2-20xy

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Автор ответа: Rechnung
0
frac{25x^2-20xy}{16y^2-20xy}= frac{5x(5x-4y)}{4y(4y-5x)}= -frac{5x(4y-5x)}{4y(4y-5x)}=- frac{5x}{4y}
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