數學遊戲 - Classic Brain Game

This game is for math lovers, you have to select the correct answer for the mathematical expression shown.


FEATURES:
- 3 difficulties
- 8 mathematical expressions
- 24 achievements from google play games
- 24 leaderboards from google play games

RULES:
- the game has 10 rounds
- each round is worth 1000 points
- a wrong answer decreases 250 round points
- round points decrease with time