$\frac{x^3+6x+3}{2x-2x+2}$
$\frac{\sin\left(a\right)\cdot\cos\left(a\right)}{\cos\left(a\right)^2-\sin\left(a\right)^2}$
$\frac{x+5}{4}+\frac{x-3}{2}>5$
$6.128-18.1$
$\sqrt[5]{\left(m+2\right)^{3}}$
$99+2$
$\cos x^2=2$
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