$-2.^3.-5.\left(-3.^2\right)$
$3x-7\ge17$
$-9+\:6-+\left[8-5+3+\left(-4+3\right)+6-3\right]+5$
$2x+1<-4$
$\sin\left(x\right).\tan\left(x\right)=\frac{\sin\left(x\right)+\tan\left(x\right)}{\cot\left(x\right)+\csc\left(x\right)}$
$\left(7\right)\left(2\right)+24-\left(-6\right)$
$\left(40\left(-1\right)\right)$
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