We use the addition symbol when we want to add one thing to another. So for example, Albert has 3 sticks of plutonium and Jerry has 2 sticks of plutonium. With the addition symbol you can add two ...

We use the addition symbol when we want to add one thing to another. So for example, Albert has 3 sticks of plutonium and Jerry has 2 sticks of plutonium. With the addition symbol you can add two ...