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f-3.25*u+0.75*v-(2*e);f+0.75*u-(2.25*v)-(2*e);2.5*f+1.5*u+0.5*v
1;2;1;6;2;0
254;45;52;15;0;0
3*x^3+1*x^2-(12*x)-4 = 0
31;9;11;5;0;0
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