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Subtract Seven

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    Subtract Seven

    by: 4 10

    10 Users
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    Description

    Refresh with a simple mental arithmetic!

    It is a simple mental arithmetic.
    Subtract the number you have selected.
    It is terminated when it is no longer closed.

    Select the subtraction number]
       7, 17, 27

    Select key arrangement]
       Usually, random

    I will register the rankings hourly.

    Users review

    from 4 reviews

    "Awesome"

    10