Theory
Exercises
1. 
Addition of numeric expression
Difficulty: easy 
1

2. 
Determine the expression and sum it
Difficulty: easy 
2

3. 
Addition of algebraic expression
Difficulty: easy 
1

4. 
Subtraction of algebraic expressions
Difficulty: easy 
1

5. 
Sum of algebraic expressions
Difficulty: easy 
2

6. 
Simplify the algebraic expressions
Difficulty: medium 
4

7. 
Make the algebraic expression by sum of given expression
Difficulty: medium 
4

8. 
Make the algebraic expression by subtracting from the given expression
Difficulty: medium 
4

9. 
Algebraic equation
Difficulty: hard 
8

10. 
Practical application of the algebraic equation
Difficulty: hard 
8

11. 
Make the sum and difference of algebraic expressions
Difficulty: hard 
8

Tests
1. 
Training on addition and subtraction of algebraic expressions
Difficulty: medium 
10
