计算:x-2-x2/x+2x-2-x2/(x+2)

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计算:x-2-x2/x+2x-2-x2/(x+2)计算:x-2-x2/x+2x-2-x2/(x+2)计算:x-2-x2/x+2x-2-x2/(x+2)原式=(x-2)(x+2)/(x+2)-x^2/(

计算:x-2-x2/x+2x-2-x2/(x+2)
计算:x-2-x2/x+2
x-2-x2/(x+2)

计算:x-2-x2/x+2x-2-x2/(x+2)
原式=(x-2)(x+2)/(x+2)-x^2/(x+2)=(x^2-4-x^2)/(x+2)=-4/(x+2)