$4+\left(-3\right)+\left(4+\left(-3\right)-5\right)$
$h^2+4h+4$
$\left(x^2+2\right)\left(2x^2-2\right)+4$
$-4+73+-1$
$\frac{6x+4}{2}$
$8x^2+3x+2$
$\log\left(zy^7\right)$
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