$\frac{\frac{72}{17}}{4}+\frac{\frac{123}{17}}{3}=\frac{76}{17}$
$x^2-28y-28=0$
$9^5-7^2$
$8x+5+8x+5+8x+5+8x+5$
$x^2+24-82$
$3x+6>0$
$1-4+3-1$
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