fast calculate - hybrid

A fun arithmetic game for all ages, free time to exercise mental arithmetic ability, children play to increase logical thinking, entertaining, let you fall in love with arithmetic.
【 addition and subtraction 】
From 1 digit to 3 digit addition and subtraction, exercise mental arithmetic ability;
Multiplication and division
From 1 digit to 3 digit multiplication and division, exercise mental arithmetic ability;
This is a comprehensive and fast learning about mental arithmetic knowledge of the application, the game, the players need to run out of time before the random occurrence of addition, subtraction, multiplication and division questions to answer, and choose the correct answer, answer more questions, the higher the score will be oh! Come on!