Question

(a/b+b/a-2):(a/b+b/a+2)=

Answer 1

Объяснение:

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Answer 2

(a/b+b/a-2):(a/b+b/a+2)=a^2+b^2-2ab/ab : a^2+b^2+2ab/ab=a^2+b^2-2ab/ab * ab/a^2+b^2+2ab=a^2+b^2-2ab/a^2+b^2+2ab