$-4154+-4436$
$3\left(n\right)\left(\frac{2}{7}\right)^2$
$4\sin x+25=27$
$\int\:w\sec^2\left(w\right)dw$
$91\times1$
$\frac{272}{981}\left(0.9986\right)\:+\:\frac{709}{981}\left(0.9835\right)$
$2-9^2$
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