Someone Indicates a Site Where I Can Do Exercises Equal in Brilliant.Org ?
4 years ago
I think there are a lack of these, Brilliant definitely have a niche!
http://nrich.maths.org/secondary-upper can be quite interesting.
Udacity, coursera and edX sometimes offer maths/physics courses and a LOT of computer science. These courses tend to be more of a commitment than the style Brilliant offers. I love that I can come here with just 5-10 minutes and solve a problem or two. This site is so great!
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yes it is indeed
Try https://www.khanacademy.org/ it has no good questions but great for learning...
Khan Academy.org is good! Lots of free videos to teach you how to do stuff, achievements and 5 levels for skills.Skills are less vague than in brilliant (100+ in Khan Academy) and practice is interactive (sometimes).
Some skill are easier than others.
its free too!
I go on math.stackexchange.com sometimes to see what kind of questions people ask and, if I can, answer them. Helping people plus getting a share of math is always nice!
It allows you to do problems against real players around the world
I'd say AoPS and Brilliant are the best for Olympiad Math.
try edx.org and coursera. u can get a certificate for free too if u finish a course
How to use AoPS for free . what feauture does it provide for free. i went and tried alcumus but it was waste of time
Hmm how is Alcumus a waste of time? Maybe consider changing your focus topic to something harder...it does depend on your level of math however. If you are past AIME level then you probably won't find Alcumus very useful unless you struggle with a particular topic.