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Pasted as C by Serjio ( 16 years ago )
#include <iostream>
using namespace std;
int main ()
{ 
float a,b,s=0;
char c;
cout <<"take an expression here"<< endl;
cin>>a;
cin>>c;
cin>>b;

switch (c)
{
 case '+':
 s=a+b; break;
 case '-':
 {s=a-b;} break;
 case '*':
 {s=a*b;} break;
 case '/':
 {s=a/b;} break;
 default: cout<<"an error";
 
 }
 cout << s;
 return 0;
}

 

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