Plus or Minus -
Tap Plus or Minus to complete the math expression before your time is up
Simple arithmetic to improve your thinking speed
Tap Plus or Minus to complete the math expression before time's up
Good game for brain training with simple mathematics exercises.
You can change the game settings and set the following data:
Set the number of seconds per exercise solution
Set the number of operators in each exercise
Setting the end of the game or practice endless
Display the game guide.
