# Addition and Subtraction Check

2 + 1 =

1 + 1 =

4 + 1 =

9 + 1 =

10 + 1 =

6 + 1 =

3 + 1 =

8 + 1 =

7 + 1 =

5 + 1 =

1719183025511.9905
1
*Tests to test the knowledge of addition and subtraction in the range of 10, 20 and 100*