Being able to increase number of math problems without increasing difficulty and vice versa

Feature requests
1

From Macgyver H. on 2015/11/06 05:39:41 +0000

(empty description)

Copied from original feature request: http://urbandroid.uservoice.com/forums/264867-sleep-as-android/suggestions/10574010-being-able-to-increase-number-of-math-problems-wit