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# Mathematical Operations in C++

In this program we are going to see how to do mathematical operations in c++ language.

What you are going to see

· Addition of 2 numbers

· Subtraction of 2 numbers

· Multiplication of 3 numbers

· Division of 3 numbers

· Modulus of 2 numbers

Let’s see How ?

A single program for all the five operations in C++

• #include<iostream>

• using namespace std;

• int main()

• {

• int var1, var2, var3;

• cout<<”Addition of 2 numbers”<<endl;

• cin>>var1>>var2; //User input

• cout<<var1+var2<<endl;

• cout<<”Subtraction of 2 numbers”<<endl;

• cin>>var1>>var2; //User input

• cout<<var1-var2<<endl;

• cout<<”Multiplication of 3 numbers”<<endl;

• cin>>var1>>var2>>var3; //User input

• cout<<var1*var2*var3<<endl;

• cout<<”Division of 3 numbers”<<endl;

• cin>>var1>>var2>>var3; //User input

• cout<<var1/var2/var3<<endl;

• cout<<”Modulus of 2 numbers”<<endl;

• cin>>var1>>var2; //User input

• cout<<var1%var2<<endl;

• return 0;

• }

Output –

Addition of 2 numbers

5

5

10

Subtraction of 2 numbers

5

5

0

Multiplication of 3 numbers

5

5

5

125

Division of 3 numbers

25

5

5

1

Modulus of 2 numbers

25

5

0

So, above are the outputs of all operations.

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