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12*x^3-(9*x)+0*x^2+3 = 0
6*x-2*x^2-(4*(1/2)) < 0
5;7;5;6;2;1
(1/11)*z
5.5-(0.125*a)-(0.25*b)-(0.5*c)-d;14.5-a-b-c-d;32.5-(3.375*a)-(2.25*b)-(1.5*c)-d;62.5-(8*a)-(4*b)-(2*c)-d
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