PoisonMath - Who is the superior arithmetician?

Who is the superior arithmetician? The addition and subtraction, seemingly simple, but is actually capable of testing the player’s agility of hands and minds: how to finish the most sums in 30 seconds, and how to do every sum correctly in only 1.5 seconds. If you want to get some intelligence exercise and become the superior arithmetician, then come and have a try.

Every challenge of the player will be recorded in the ranking list. How to improve your accuracy rate, how to choose between limited time and thinking, and how to get the highest score? Come and join us!