17/25 as a decimal
3*3-3/3+3
2/3x > 12
18-[-(-3+2)+2]-[-10]
$\sqrt{5x^6}$ $\sqrt{10x^2}$
y>x+1
387/10000 as a decimal
18-[-(-3+2)+2]
2x+3y=20
3x+2y=30
