About Operation 99
Sharpen your mental math skills with Operation 99! Choose an operation - either addition or subtraction - and test your speed on solving each problem. Tap the number tiles to add or subtract their values respectively. You...
Sharpen your mental math skills with Operation 99! Choose an operation - either addition or subtraction - and test your speed on solving each problem. Tap the number tiles to add or subtract their values respectively. You have 10 seconds to solve each problem correctly.The problems are endless, how many can you get correct?
Can you last 99 seconds?
Previous Versions
Here you can find the changelog of Operation 99 since it was posted on our website on 2016-12-23 04:20:14.
The latest version is 4.0 and it was updated on 2024-03-29 19:05:03. See below the changes in each version.
Operation 99 version 4.0
Updated At: 2020-02-12
Changes: Fixed security issues
Operation 99 version 2.0
Updated At: 2014-07-25
Changes: Fixed issues with Reset function.,Fixed issues with 10 pt. bonus.,(Users get a 10 pt. bonus if they win and get all problems correct.),Adjusted positioning of text elements.
Disclaimer
Official Google Play Link
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