(1)x²-1/x+1÷x²-2x+1/x²-x (2)(1/x+1-1/1-x)÷1/x²-1(1)x²-1/x+1÷x²-2x+1/x²-x(2)(1/x+1-1/1-x)÷1/x²-1

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(1)x²-1/x+1÷x²-2x+1/x²-x(2)(1/x+1-1/1-x)÷1/x²-1(1)x²-1/x+1÷x²-2x+1/x&#

(1)x²-1/x+1÷x²-2x+1/x²-x (2)(1/x+1-1/1-x)÷1/x²-1(1)x²-1/x+1÷x²-2x+1/x²-x(2)(1/x+1-1/1-x)÷1/x²-1
(1)x²-1/x+1÷x²-2x+1/x²-x (2)(1/x+1-1/1-x)÷1/x²-1
(1)x²-1/x+1÷x²-2x+1/x²-x
(2)(1/x+1-1/1-x)÷1/x²-1

(1)x²-1/x+1÷x²-2x+1/x²-x (2)(1/x+1-1/1-x)÷1/x²-1(1)x²-1/x+1÷x²-2x+1/x²-x(2)(1/x+1-1/1-x)÷1/x²-1