Решите пожалуйста.
a)(a-b)^2/(b-a)^2
б)12a^3b^5(p-q)^2/36a^2b(q-p)^2
в)16(x-y)^2/48(y-x)^2
г)49xy(c-d)^2/7x^2(d-c)^2
a)(a-b)^2/(b-a)^2
б)12a^3b^5(p-q)^2/36a^2b(q-p)^2
в)16(x-y)^2/48(y-x)^2
г)49xy(c-d)^2/7x^2(d-c)^2
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