lab1_30
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#include <iostream>
using namespace std;
//вариант 30
int main() {
double x1,x2,x3,result;
//collecting data
cout<<"Input x1,x2 and x3 values:"<<endl;
cin>>x1>>x2>>x3;
//computing the result
result=x1*x2+x1*x3+x2*x3;
cout<<"The result is :"<<result<<endl;
return 0;
}
Cpp
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