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- #include <iostream>
- using namespace std;
- int main() {
- double a, b;
- char operation;
- cout << "Введите первое число: ";
- cin >> a;
- cout << "Введите второе число: ";
- cin >> b;
- cout << "Введите операцию (+, -, *, /): ";
- cin >> operation;
- switch (operation) {
- case '+':
- cout << a + b;
- break;
- case '-':
- cout << a - b;
- break;
- case '*':
- cout << a * b;
- break;
- case '/':
- if (b != 0) {
- cout << a / b;
- } else {
- cout << "Ошибка: деление на ноль!";
- }
- break;
- default:
- cout << "Неизвестная операция!";
- }
- return 0;
- }
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