+en-tot20

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Inoefenen van de optellingen en aftrekkingen tot 20. Er zijn 2 oefenvormen. A. optel- en aftrekrooster. B. optellen en aftrekken (spelvorm).
Practicing the additions and subtractions to 20. There are 2 types of exercises. A. addition and deduction schedule. B. addition and subtraction (game form).
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meerdere snelheidsniveau's toegevoegd
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Additional Information

Updated
August 13, 2019
Size
Varies with device
Installs
10+
Current Version
1.2
Requires Android
4.1 and up
Content Rating
Everyone
Permissions
Offered By
Billiau Daniel
Developer
Seringenlaan 4, 1851 Humbeek, België
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