$11+13-15+16-4$
$-1.25\cdot2.33$
$\int e^{-5t}cos\left(t\right)dt$
$q\:+\:7p=\:z^3$
$x^2\:-14x-15=0$
$\frac{1}{16}x^2-\frac{7}{2}x+49$
$7-x\ge5$
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