Addition brain teaser is a new way of doing mathematics. in this puzzle game, you'll have to add the same numbers to merge them. the goal is to have only one circle left at the end of the game. click on several identical circles to merge them. if you still have several circles with different values at the end of a level, you'll have to start over. however, if you have completed the puzzle, you'll have the right to reach the next level. think carefully and become a mental arithmetic champion!
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