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~cpp #include <iostream> using namespace std; float calculation(float celsius); void main() { float celsius, fahrenheit; cout << " 하 Enter 키 : "; cin >> celsius; fahrenheit = calculation(celsius); cout << "" << celsius << " 화 " << fahrenheit << "." << endl; } float calculation(float celsius) { float fahrenheit = 0; fahrenheit = celsius * 1.8 + 32.0; return fahrenheit; }