Speed Mathematics


4.7 ( 417 ratings )
Educación
Desarrollador piao qinghai
2.99 USD

Using this game will improve your understanding of math and have you performing like a genius! People who excel at mathematics use better strategies than the rest of us; they are not necessarily more intelligent. Speed Mathematics teaches simple methods that will enable you to make lightning calculations in your head-including multiplication, division, addition, and subtract。。。