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Math Trainer - Subtraction

Get in some serious subtraction training.
Responds to your answers ... so it will train your weaknesses.
Use 3 sessions of 5 minutes each per day for best results.
Train yourself to REMEMBER, don't count.

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Features of the Math Trainer

Designed for high speed so that you get lots of practice
Remembers your performance (during the session, but not between sessions) so that it gives you more practice on your weaknesses.
Shows you the correct answer if you get it wrong
Timed Workout style just like an athlete would use