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About 123
Very simple but Wonderful And funny puzzle game!
This is a funny number game!
It looks Very simple,it is a simple add and substract,the largest number is 3! but you must give the anwser as fast as you can! if you can anwer 20 question,I think you are the genius of the math!
What's new in the latest 1.0
Last updated on Oct 20, 2016
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Gameplay and Screenshots
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