$\int\left(\frac{\ln\left(x\right)}{6x^2}\right)dx$
$\frac{cos^2x-1}{tan\left(c\right)}$
$\left|4-7\right|$
$3n+3=213$
$29x-29;\:x=-5$
$-5+-7+-1+2+9$
$8ab^3+13a^2b-7ab^3-12a^2b$
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