Test your brain!Find a 3x3 set of fields whose sum equals the searched number on a 10x10 grid withing 30 seconds.
Are you capable enough?
Can you master the numbers or will your brain yield to that challenge?
https://andro.io/app/summate
Power 100
Android app profile
Summate for Android – Latest Version & Features
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> 2.2k
Monthly Downloads
~$900
Estimated Cost
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