$4x^2+4y^2=25$
$3x+7>1$
$32m+16$
$6\:+\:3a\:+\:8a\:-\:1$
$\lim_{x\to1}\frac{\sqrt{x+1}\left(4\right)-\sqrt{x+1}\left(4\right)}{x\left(x-1\right)}$
$x\:-7\:<\:4$
$+1-\left(-4+\left(-10\right):\left(5\right)\right)+\left(+3+\left(-9\right):\left(-9\right)\right)$
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