作业帮已知a=1,b=1001,求a²-ab/a+b·（a+b／a-b）^2÷a／a -b的值?
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已知a=1,b=1001,求a²-ab/a+b·（a+b／a-b）^2÷a／a -b的值?
已知a=1,b=1001,求a²-ab/a+b·（a+b／a-b）^2÷a／a -b的值?
已知a=1,b=1001,求a²-ab/a+b·（a+b／a-b）^2÷a／a -b的值?
a²-ab/a+b·（a+b／a-b）^2÷a／a -b
=[a(a-b)/(a+b)]·（a+b／a-b）^2÷(a／a -b)
=[a(a+b)/(a-b)]·(a-b)/a
=a+b
=1002