$2+\sin^2\left(-3\right)$
$0.11+20$
$\left(3+\left(-8\right)\right)-\left(-2\right)$
$\int x\cdot\sqrt[3]{x^2-9}dx$
$2cos^2+cosb=0$
$3x-4<7x-12$
$-45\cdot17$
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