$5+3-7+5-7+4-2-7+3$
$[\left(\frac{3}{4}\right)^{0}]^{4}\cdot\frac{3^{-2}}{4}\cdot\frac{3^{0}}{2}$
$\frac{1+\cos\:\left(x\right)+\sin\:\left(x\right)}{1+\cos\:\left(x\right)-\sin\:\left(x\right)}$
$\log2=5$
$9m^2-12mn+4m^2=0$
$\left(8a-2b+3c\right)^2$
$\frac{7+0.29}{-3}$
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