1 Minute Mental Arithmetic

Name: 1 Minute Mental Arithmetic
Availability: InStock
Rating: 5 (30 reviews)
Author: Hirokazu Uno

by Hirokazu Uno

5.0 (30) v1.14 48 MB Universal 4+

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Do mental arithmetic for 1 minute every day to train your brain.
It also helps the child learn the calculations.

Minor corrections and adjustments.