$6\:+\:1\:-\:1\:-\:2$
$\frac{d^{-19}}{6}$
$3.5^2$
$5cos2x=2$
$\sin\theta-\cos^{2}Q-1=0$
$x^2-10x+25=1$
$\int\left(15x^{-1}-4\sin\left(m\right)x\right)dx$
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