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• How to use it?

• Inequation:
• √(x^2-2x)>4-x
• x-x-2>=0
• logx+1,(x-2)<=1
• |x|+|y|<3
• |x|+|y|

• Identical expressions

• |x|+|y|< three
• module of x| plus |y| less than 3
• module of x| plus |y| less than three

• Similar expressions

• |x|-|y|<3
• x^(2)+y^(2)+1<=2*((|x|)+(|y|))