Signal: Exercises of the head

It is an app to improve your computing abilities!
Addition, subtraction, multiplication, division
You can choose according to your level

All 84 stages !!

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   Description
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□ The number of stages that you can choose as many as the number of stars increases.
□ It ends when the time limit becomes 0.
□ If you answer the problem correctly, the time limit will be +5
□ If the problem is incorrect, the time limit will be -20


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  Feedback
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