$-49+\left(-76\right)-27$
$\left(3+\left(-3\right)^2\right)$
$8m x^3-27y x^6$
$\int\frac{1}{13\cos\left(x\right)-5}dx$
$22-4.\left(9+-3.2\right)=10$
$14x^2+3x-2$
$3x^2+x+1;\:x=1$
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