$a+\frac{7}{4}-2=\frac{11}{4}$
$\frac{3xy}{xy}$
$2x^3-7x^2-x+6$
$-2+3\cdot5-7$
$\frac{dy}{dx}=\frac{x+1}{2y}\:$
$\sqrt[3]{4.3}$
$0.0625+2\left(\frac{1}{4}\right)\left(\frac{1}{3}\right)+\left(\frac{1}{3}\right)$
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