$4\cdot\left(-1111\right)$
$7n-5-3n+2$
$\left(\left(-2\right)-0\right)^2+\left(2-\left(-4\right)\right)^2$
$1-2\sin^2\left(90-x\right)$
$\lim_{x\to\infty}\left(\frac{x}{2}-x^2\right)$
$3\pi-\pi$
$\int\left(0.092x^2+0.74x+149.553\right)dx$
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