c语言计算一元二次方程的根答:c语言计算一元二次方程的根如下:include<stdio.h>#include<math.h>voidmain(){doublea,b,c;doublex1,x2,p;printf("请输入a,b,c:");scanf("%lf%lf%lf",&a,&b,&c);printf("\n");p=b*b-4*a*c;x1=(-b+sqrt(p))/(2*a);。x2=(-b-sqrt(p))/(2*a);printf("x1=%f,...
C语言编写一个程序求解一元二次方程ax2+bx+c=0的根。要求系数a,b,c从...答:下面是求解一元二次方程的C语言代码:include <stdio.h> include <math.h> int main(){ double a, b, c, x1, x2, disc;printf("请输入一元二次方程的系数a, b, c: ");scanf("%lf %lf %lf", &a, &b, &c);disc = b * b - 4 * a * c;if (disc > 0) { x1 = (...
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(假设是两...答:double a,b,c,disc;printf("请输入a,b,c的值:");scanf("%lf %lf %lf",&a,&b,&c);if(a==0) //一元二次方程二次项系数不为0 { printf("data error\n");} else { disc=b*b-4*a*c;if(disc>0)root2(a,b,disc);else if(disc==0)root1(a,b);else root0();} ...