Math game - learn to add and s

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The game has 4 types of games involving addition and subtraction operations.

The more you play, the more achievements you will unlock.

Characteristics
- 4 games involving addition and subtraction with integers
- System of achievements
- Score ranking
- 4 languages
- Math game
- Addition and subtraction operations
- Learn addition and subtraction of integers
- Sum
- Numerical expressions
- Cool math games
- Algebraic expression
- Basic algebra
- Expressions maths