关于C语言,能够运行,但是在disc等于0和大于0时不对.//#include "stdio.h"#include "math.h"void main(){\x05double a,b,c,disc,x1,x2,p,q;\x05printf("please input 3 num:\n");\x05scanf("%lf %lf %lf",&a,&b,&c);\x05disc=b*b-4*a*c;\x05if (a==0)
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