$1+1m^2$
$2x-7y+2=0$
$\left(\frac{3}{8}c^2+\frac{2}{9}d^3u\right)^2$
$-\left(8-12\right)+6^0+\left(-4^2\right)$
$x^2-1.4x\:+1.96$
$2x-3\le-9$
$\int_{3x-5}^{36x^4-109x^2+25}dx$
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