$\left(-5.-3\right)-\left(-6\right)$
$250.89+100.25$
$-5+-4+-1+8+-2+7$
$4\cos^2x+3\sin x=1$
$\int\left(2-\sin\left(\theta\:\right)\right)^2d\theta\:$
$16x^4\:-\:256$
$-\left(1+x\right)^2$
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