$\int\left(-\frac{1}{w^2}\right)dx$
$\left(3m+2a\right)^3$
$5\left(-2-9d\right)$
$-11\:-\:\left(-41\right)$
$\frac{sen\left(x\right)}{\cos\left(x\right)}-\frac{\cos\left(x\right)}{1+\sin\left(x\right)}=\tan\left(x\right)$
$\frac{\sin\left(x\right)+\cot\left(x\right)+\cos\left(x\right)\cot\left(x\right)}{1+\cos\left(x\right)}=\csc\left(x\right)$
$-14\cdot10$
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