$3\left(x\:-\:4\right)\:+\:2\left(x\:-\:1\right)\:=\:11$
$\log\left(x^4\right)+\log\left(4x\right)=2+\log\left(x^3\right)$
$4\left(2-3\cdot5\right)-2\left(4+6\right)$
$\int e^x\cdot sen\left(3-x\right)\:$
$-x<6$
$52^34^2$
$\left(-2^3\right)-\left(-10+5^2\right)$
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