$4\sin\left(a\right)+3=2\sin\left(a\right)+4$
$\int_0^{\frac{1}{\sqrt{2}}}\left(arc\:cos\:\left(x\right)\right)dx$
$49c^2+56c+16$
$\left(290\right)\cdot\left(-15\right)\cdot\left(-150\right)$
$-5+4\cdot3$
$5x^4\times20x^4$
$\frac{x^2-x+2}{x}$
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