About Plus Minus 20
Get random additions and subtractions up to 20.
Easy to handle only with the buttons of the app, no virtual keyboard appears.
Get new operations to solve with the button at the bottom right.
Configure only additions, only subtractions or both with the buttons at the bottom left. Play with or without zero (button bottom left).
Download and install
Plus Minus 20 version 1.0.2 on your
Android device!
Downloaded 100+ times, content rating: Everyone
Android package:
xdk.intel.PlusMinus20.crosswalk, download Plus Minus 20.apk