$4x+2>x+4$
$\left(v^7\right)^4$
$3.4-2.8d-1.3$
$8x-4y=-4$
$cot58=cos32$
$3.\left(3y\:+\:5\:\right)\:\left(3y\:+\:5\right)$
$\cos^2x+3\sin^2x-3$
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