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from dicwizard.jp, originally released 12th August, 2011
The Brain Trainer by calculating simple math 100 times.
- useful for daily Brain Activator
- useful for Math Trainer
- Game Center aware.
- Easy: very easy math. 25 problems for each +-×÷ (sorted).
- Hard: little bit harder math. 25 problems for each +-×÷ (shuffled).
Good for Kids
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