Description
*Calculate as fast as lightning. Easy to play but hard to master
*Easy to PLAY but HARD to master
*Trò chơi toán học (+-) thử thách trí não, gây ức chế
Crazy Math can make you crazy - mad!
How to play:
- You have only ONE second to choose correct answer
- Reach high score!!!
- Beat your friends!!!
Four modes:
- You can change your favorite modes: number, durations and calculation
Easy to Play, HARD to master