Subtract up to 20 in an interesting way.
This is level 2 of the app. In this, you can subtract up to 20 in an interesting way. The moon hides a certain number of starts behind it, which you have to find.Last updated on Oct 31, 2017
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Latest Version
1.0
Requires Android
1.6 and up
Category
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Subtraction (two digits, upto 20)
1.0 by Dr Rajeev Tyagi
Oct 31, 2017