$\left(-7\right)-\left(-6\right)+\left(-2\right)-\left(-3\right)+\left(-10\right)$
$\int_0^{\pi}\left(4x\sin\left(x\right)\right)dx$
$c^2-2c-3=0$
$x^2-2x\cdot0.1$
$4\cot x^2+4\cot x+1$
$-48-3$
$\left(7m+8n\right)\left(7m-8n\right)$
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