(a²-ab+b²)(a²-b²)/(a³+b³)(a-b)=(a²-ab+b²)(a+b)(a-b)/(a+b)(a²-ab+b²)(a-b)=
=(a+b)(a-b)/(a+b)(a-b)=1, a≠b,a≠-b
Otvet:d.
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(a²-ab+b²)(a²-b²)/(a³+b³)(a-b)=(a²-ab+b²)(a+b)(a-b)/(a+b)(a²-ab+b²)(a-b)=
=(a+b)(a-b)/(a+b)(a-b)=1, a≠b,a≠-b
Otvet:d.