$99+-2$
$100-x^2$
$343+a^3$
$\:\:\:\left|0\:9\:-7=2\:\:0\:9\:-7=2\:\:0\:0\:-1=-2\right|$
$\int_{\pi}^x\left(\frac{cost}{t}\right)dt$
$\sqrt[3]{8n^6}$
$\sqrt{48}-2\sqrt{12}$
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