China
Add:
| 3 | |
| + | 7 |
Answer:
10
- We know that to add 7, we need to take the first addend and count up to 7 digits to obtain the result.
- To add 7 to 3, let us begin counting from 3.
3 4 5 6 7 8 9 10 - We see that by adding 7 to 3 we get 10.
So,3 + 7 10
