$2+1+5$
$2x\:+\:x\:+\:4\:+\:3$
$\frac{1+\:sec\left(x\right)}{1-\:sec\left(x\right)}=\frac{cos\left(x\right)+1}{cos\left(x\right)\:-1}$
$y\:=\:sin^4x\cdot\frac{tan^6x}{\left(x^2+3\right)^2}$
$-3.005\:-\:4.7\:+\left(-2\right)\:$
$\int\left(x\left(-x^2-9\right)^4\right)dx$
$-16+12-4+8-7+31-19-23$
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