Ridiculously Fast Math Game

Ridiculously Fast Math Game. You need a good very good reflex! Can you beat me?

Train your brain with math! Add, substract and multiply numbers! Get better and smarter every day!
Adding, substracting and multiplying numbers. You have 3 seconds to find the right answer. You can use SKIP and additional TIME, but only once per game. How many points will you get?

This is the extreme edition. You have only 3 seconds for your answer. You need to be fast!