Mathizt

问题的加法，减法，乘法，除法，尽在其中。

This app is the easiest way to test and improve your math skills.

It quizzes your skills on Addition, Subtraction, Multiplication, Division and a combination of all in order to test your mastery over these operations by providing you with unlimited questions at several difficulties of your choosing from beginner to advanced.

Features: Several difficulties available.

All results are in integer form.

Able to reset any question.

Answers can be requested.