$-3+4+2+1$
$\tan\left(x\right)+2\cos\left(x\right)+\csc\left(x\right)=\sec\left(x\right)\csc\left(x\right)+\cot\left(x\right)$
$\left(\frac{x^{-8}}{4^{11}}\right)^{-2}$
$\int_0^1\pi\left(1.1-x^2\right)^2dx$
$a^2-14ab+49b^2$
$9x^2>25$
$2^2-7\cdot2+10$
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