$\frac{\left(cos\left(x+h\right)-cos\left(x\right)\right)}{h}$
$-1+3w\ge-7$
$4.7x-5.48>11.44$
$\left(3\sqrt{2}x\:-\:3\right)^2$
$7x^4-4x-3$
$\sqrt{\sqrt{\sqrt{64x^4d^2}}}$
$a6-100$
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