Question

Ajutor ...am nevoie repede ...dau coroana .​

Answer 1

// 1.

#include <iostream>

int main() {

size_t a, b, c;

std::cin >> a >> b >> c;

std::cout << (a + b + c) / 3.;

}

// 2.

#include <iostream>

int main() {

double x;

std::cin >> x;

std::cout << "Aria: " << x * x << " Perimetru: " << 4. * x;

}