Question 376174
{{{((x/y)-(y/x))/((x/y)-1)}}}
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{{{((x^2-y^2)/(xy))/((x-y)/y))}}}
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{{{(((x+y)(cross(x-y)))/(x(cross(y))))*((cross(y))/(cross(x-y)))}}}
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{{{(x+y)/x}}}
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