3道初二分式计算填空1.(x^2/-y^2)*(-y^2/x)^5÷(xy)7=________.2.(x^2-y^2/xy)*(x/y-x)^2=_________.3.(x^2-5x+6/x^2-1)÷(x-3)/(x^2+x)=_________.

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3道初二分式计算填空1.(x^2/-y^2)*(-y^2/x)^5÷(xy)7=________.2.(x^2-y^2/xy)*(x/y-x)^2=_________.3.(x^2-5x+6/x^2-1)÷(x-3)/(x^2+x)=_________.
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3道初二分式计算填空1.(x^2/-y^2)*(-y^2/x)^5÷(xy)7=________.2.(x^2-y^2/xy)*(x/y-x)^2=_________.3.(x^2-5x+6/x^2-1)÷(x-3)/(x^2+x)=_________.
3道初二分式计算填空
1.(x^2/-y^2)*(-y^2/x)^5÷(xy)7=________.
2.(x^2-y^2/xy)*(x/y-x)^2=_________.
3.(x^2-5x+6/x^2-1)÷(x-3)/(x^2+x)=_________.

3道初二分式计算填空1.(x^2/-y^2)*(-y^2/x)^5÷(xy)7=________.2.(x^2-y^2/xy)*(x/y-x)^2=_________.3.(x^2-5x+6/x^2-1)÷(x-3)/(x^2+x)=_________.
(1) y/x^10
(2) (X+Y)/(X-Y)Y
(3) (X-2)X/(X-1)