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x*(2*x^(1/2)+1)
2*x^(1/2)*x+x
216*x+48*y+738.8;48*x+93.33*y-677.6
216*x+48*y+738.8;48*x+93.33*y-677.6;48*x+93.33*y-677.6
400*e^(-32*x)
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