(n²-m²)/((√n-√m)²+2√mn)= (n²-m²)/(n-2√mn+m+2√mn)= (n²-m²)/(n+m)= (n-m)(n+m)/(n+m)= n-m
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Готово!!Удачи)))
(n²-m²)/((√n-√m)²+2√mn)= (n²-m²)/(n-2√mn+m+2√mn)= (n²-m²)/(n+m)= (n-m)(n+m)/(n+m)= n-m
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Готово!!Удачи)))