$-1+\left(-4\right)+12\left(\frac{5}{5}+3\cdot2-\left(-11\right)\right)$
$282.8+t\cdot\frac{5.63}{\sqrt{5}}=288.168$
$\frac{x^3-4x^2\:+5x\:-\:20\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:}{x\:-\:4}$
$5+\log\left(9x^{2}-64\right)=\log\left(3x+8\right)+7$
$\frac{64a^3+343^3}{4a+7}$
$36\cdot36\cdot36$
$14r\:+\:14\:-\:r\:-\:6$
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