Are you among the fastest thinkers in the world? Try out 'Brain Speed Boost' and get your name on the Top 5 World Ranking, if you can beat the best. All while improving your brain power and having fun.
Solve as many equations as possible within 30 seconds in one of the four categories of your choosing. Show your highscore to your family and friends, and challenge them to break it.
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9Apps 4.9
