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#include <iostream> //#include <cmath> //#include <locale> void c511(); void c521(); void c5211(); int main() { int k; //setlocale( LC_ALL,"Russian"); std::cout<<"выберите лабораторную :" <<std::endl; std::cout<<"1 - C5.1.1" <<std::endl; std::cout<<"2 - C5.2.1" <<std::endl; std::cout<<"3 - C5.2.11" <<std::endl; std::cin >> k; if (k==1){c511();} if (k==2){c521();} if (k==3){c5211();} } void c511() { using namespace std; double x=2.35; double a=0.89; double b=2.065; double y; y=pow(x,(a+b)); std::cout <<"y= " << y << std::endl;} void c521() { using namespace std; double x; double y; double z; std::cout<<"vvedite x"<<std::endl; std::cout<<"vvedite y"<<std::endl; std::cin >> x; std::cin >> y; if(x>0){z=x-y;} else {z=y-x+1;} std::cout << "z= "<<y << std::endl; std::cin >> x; } void c5211() { using namespace std; double a; double b; double c; double d; double kol = 4; std::cout << "vvedite a"<<std::endl; std::cin >> a; std::cout << "vvedite b"<<std::endl; std::cin >> b; std::cout << "vvedite c"<<std::endl; std::cin >> c; std::cout << "vvedite d"<<std::endl; std::cin >> d; if(a <= 0) {--kol;} if(b <= 0) {--kol;} if(c <= 0) {--kol;} if(d <= 0) {--kol;} if(kol == 0) {return 0;} double summ = 0; if(a > 0) {summ += a;} if(b > 0) {summ += b;} if(c > 0) {summ += c;} if(d > 0) {summ += d;} cout << summ / kol; }
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