Tested your brain
As the addition operation between -20 and 20
You have 1 second to answer the math. Then you just select the right or wrong
Hope you enhance your computing power through this game
Last updated on Aug 3, 2016
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Latest Version
1.1
Uploaded by
Israel Belfort
Requires Android
Android 2.2+
Category
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Freaking Math Subtract
1.1 by Thep TK
Aug 3, 2016