optelaftrek 2.0 Apk
By: Billiau Daniel - Website
Type: Application
Category: Education
Requires: Android 6.0 and up
Curent version: 2.0
Updated: 02.08.2021
Price: Free
Size: 5.12 Mb
Download: 45
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Description of optelaftrek
Mental arithmetic addition and subtraction up to 100. 20 exercises chosen randomly each time. Exercises that made a mistake can be viewed at the end.
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