■ App to practice subtraction and subtraction until the answer reaches 10 (Target: 1st grade elementary school students)
■ The theme was Keisan Kaado (Tashizan Kaado, Hikizan Kaado), which is a school teaching material.
■ The answer is a selection format (a format to select by pressing a button)
■ You can choose between two modes, one that you can practice in order and the other that you can practice randomly.
■ With a function to measure practice time (useful when recording time for homework)
■ If you practice aloud, the practice effect may improve (?)
■ Added an option to randomize the button layout (to prevent it from being remembered by the layout)
■ The theme was Keisan Kaado (Tashizan Kaado, Hikizan Kaado), which is a school teaching material.
■ The answer is a selection format (a format to select by pressing a button)
■ You can choose between two modes, one that you can practice in order and the other that you can practice randomly.
■ With a function to measure practice time (useful when recording time for homework)
■ If you practice aloud, the practice effect may improve (?)
■ Added an option to randomize the button layout (to prevent it from being remembered by the layout)
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