c语言求一元二次方程答:c语言求一元二次方程代码:include <stdio.h> #include <math.h> int main() { double a, b, c, delta, x1, x2, realPart, imaginaryPart; printf("请输入一元二次方程的三个系数:\n"); scanf("%lf %lf %lf", &a, &b, &c); delta = b * b - 4 * a * c; if (delt...
编写一个java程序,从键盘输入一元二次方程的3个系数a,b和c,输出这个方...答:public static void main(String[ ] args){ double a, b, c, D, x1, x2 ;String string_a, string_b, string_c, result;String answer=" ";string_a = JOptionPane. showInputDialog("输入方程中的二次项系数");a = Double.parseDouble(string_a);string_b = JOptionPane. showInputDia...
用C语言编写一个程序,计算一元二次方程的解(x1,x2)。一元二次方程:Ax2...答:按顺序输入a,b,c include "stdio.h"include "stdlib.h"include "math.h"int main(){ float a,b,c;scanf("%f",&a);scanf("%f",&b);scanf("%f",&c);printf("%f\n",(-b+sqrt(b*b-4*a*c))/2/a);printf("%f",(-b-sqrt(b*b-4*a*c))/2/a);system("pause");return ...