#include <stdio.h> #include <math.h> int main() { double a=0,b=0,c=0; double x1=0,x2=0,o=0; double shi=0,xu=0; while(scanf("%lf %lf %lf",&a,&b,&c)!=EOF) { o=b*b-(4*a*c); x1=((-b)+sqrt(o))/(2*a); x2=((-b)-sqrt(o))/(2*a); shi=-b/(2*a); ...