C语言编程：求1元2次方程的根

#include#includemain(){double a,b,c,x1,x2,temp,temp1;printf("请输入参数a的值为：\n");scanf("%lf",&a);printf("请输入参数b的值为：\n");scanf("%lf",&b);printf("请输入参数c的值为：\n");scanf("%lf",&c);tem...