• 2022-06-19
    选出下列模型的相应的Lingo程序[img=165x123]18034d61e443a0e.png[/img]
    A: min=2*x1+3*x2;x1+x2>=350;2x1+x2<=600;
    B: min=2*x1+3*x2;x1+x2>350;2x1+x2<600;
    C: min=2*x1+3*x2;x1+x2>=350;2x1+x2<=600;@free(x2);
    D: min=2*x1+3*x2;x1+x2>350;2x1+x2<600;@free(x2)