// This is my C++ program for variant 07
#include <iostream>
#include <cmath>
using namespace std;
 
int main() {
 
    const double x1 = 2.6;
    const double x2 = 2.8;
    const double a = 3;
    const double b = 6;
 
    double y1 = pow(x1, 2);      // x1^2
    double y2 = pow(x2, 2);      // x2^2
    double y3 = y1 + y2;
    double y4 = y3 - a;
    double y5 = x1 + b;
    double c = y4 / y5;
 
    cout << "Результат c = " << fixed;
    cout.precision(4);
    cout << c << endl;
 
    return 0;
}
 

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