liruijia

摘要： #include #include int main(){ float a,b,c;float disc,x1,x2,realpart,imagpart;printf("\n");scanf("%f %f %f",&a,&b,&c);printf("\n");if(a==0) { if(b==0&&c!=0)printf("\n");else if(b==0&&c==0)printf("Error!\n");elseprintf(" 阅读全文