c语言求一元二次方程答:include <math.h> main () { double a, b, c, d, p, q, x1, x2;printf ("a, b, c=");scanf ("%lf%lf%lf", &a, &b, &c);d = b * b - 4 * a * c;p = (-b) / (2 * a);q = sqrt (fabs (d)) / (2 * a);if (d == 0) { printf ("x1=x2=...
编C语言程序,输入一元二次方程的三个系数,求出该方程所有可能的跟答:include "stdio.h"include "math.h"/*求一元二次方程ax*x+bx+c=0的解*/ main(){ float a,b,c,x1=0.,x2=0.,d;printf("请输入a:");scanf("%f",&a);printf("请输入b:");scanf("%f",&b);printf("请输入c:");scanf("%f",&c);d=b*b-4*a*c;if(d < 0)printf("...
求C语言一元二次方程解答://=={//if语句要加大括号x1=x2=(-b)/(2*a);printf("%f,%f",x1,x2);}else{x1=(-b+p)/(2*a);x2=(-b-p)/(2*a);printf("%f,%f",x1,x2);}}}//你看看还有什么需求吗?(注意输入的数据之间要加括号,如输入1,2,3)否则输入改成scanf("%f %f %f",&a,&b,&c);...
c语言函数调用解一元二次方程组实验代码答:;float a,b,c;printf("输入a,b,c\n");scanf("%f,%f,%f",&a,&b,&c);fangcheng(a,b,c);return 0;}void fangcheng(float a,float b,float c){ float x,x1,x2,D;D=b*b-4*a*c;if(D>0){x1=(-b+sqrt(D))/(2*a);x2=(-b-sqrt(D))/(2*a);printf("x1=%f,...
用C语言编写程序,输入一元二次方程的系数a,b,c,计算方程的根,要考虑虚...答:对于ax^2+bx+c=0 int panduan(int a,int b,int c){ int m;m=b*b-4*a*c;return(m);} void main(){int a,b,c,flag,x1,x2,ture,virture;printf("请依次输入二次方程的系数:\n”);scanf("%d %d %d",&a,&b,&c);flag=panduan(a,b,c);if(flag>0){x1=(-b+sqr(flag)...