$\int_{0.0655}^{0.4345}\sin\left(2\pi\cdot x\right)dx$
$\sin x\left(\cot x+\cos x\right)+1$
$\left(9+4m\right)^5$
$9x^2-31x-20$
$\left(7a^2+2b\right)^2$
$4\cdot\left(x^2+3x-1\right)-2x\cdot\left(3x+5\right)$
$100a^2+20ab+4ab$
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