$234+46+678+-1234$
$\frac{1}{2}\left(4xy^3\right)^3\left(-42501222\right)^0$
$\left(+9\right)\left(-3\right)\left(-2\right)$
$\tan\left(270-x\right)=\cot$
$x+3\cdot3x$
$\sqrt{3}\csc\left(9x\right)-7=-5$
$6x\:+3\:+\:x-2$
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