Not too easy. Not too difficult.
I would recommend it because i love mathematics too much, i love to practice mixed problem and finding solutions for the problems.
I learn how to solve mixed equations, difficult and easy ones with different steps. what's interesting is that i was able to make my own equations
Hours per week:
Advice for students:
the need to practice it at least every morning and evening, they must not memorize it never do that. Just keep on practicing and practicing.