C语言实验题——一元二次方程 II#include #include int main (){double a,b,c,x1,x2,d;scanf ("%lf %lf %lf",&a,&b,&c);d=b*b-4*a*c;x1=(-b+sqrt(d))/(2*a);x2=(-b-sqrt(d))/(2*a);if (x1>x2){printf ("%.2lf %.2lf",x1,x2);}if (x2>x1){ printf("%.2lf %.

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