Answer: 2+2=4
Step-by-step explanation:
You can visualize this sum if you think of adding ballons.
If you have 2 ballons in one room, and 2 ballons in another room, in total you will have 4 balllons.
For exaple we can use the following:
You add the total of the things you have to get the answer.
Answer: 2+2=4