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About subtraction trainer
subtraction trainer for mathematics beginner
Subtraction training app for subtraction beginner who are studying subtraction.
Help classify problems by category.
Ask 20 questions for each item and let you know if the answer is correct.
Solve the 20 questions and give the score.
You may or may not time limit.
Repetitive training will allow you to quickly subtract subtraction.
What's new in the latest 1.0
Last updated on Oct 14, 2019
Minor bug fixes and improvements. Install or update to the newest version to check it out!
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