u/Charming-Train7530

I've tried a lot of options, textbooks, apps, yt videos, online courses, but I feel like all of them are lacking something. Mostly they just tell you the answer, but don't actually help you understand why that answer is the correct answer. What do you guys recommend?

I've tried a lot of options, textbooks, apps, yt videos, online courses... but I feel like all of them are lacking something. They help you know the answer, but not actually understand why that answer is the correct answer. What do you guys recommend?