$x+\sqrt{x+5}=1$
$\int e^{am}\cdot\sin\left(bm\right)dm$
$x2\:+\left(2+a\right)x+2a;a=4$
$\left(9b^2+d\right)^3$
$\left(4+\sin\left(x\right)\right)^2+\cos^2x$
$1.47\cdot3.9$
$x'-2x=t$
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