Ответ:
Объяснение:
1)(a^2-2ab+b^2)/x^5 * x^6/(a^2-b^2)=
=(a-b)^2/x^5 * x^6/(a-b)(a+b)=x(a-b)/(a+b)
2)(2x-2y)/y : (x^2-y^2)/y^2= 2(x-y)/y * y^2/(x-y)(x+y)=2y/(x+y)
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Ответ:
Объяснение:
1)(a^2-2ab+b^2)/x^5 * x^6/(a^2-b^2)=
=(a-b)^2/x^5 * x^6/(a-b)(a+b)=x(a-b)/(a+b)
2)(2x-2y)/y : (x^2-y^2)/y^2= 2(x-y)/y * y^2/(x-y)(x+y)=2y/(x+y)