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In this course, already with 1050 students, from 97 countries, 21 languages represented, I covered Math from basic to university level Math. It's just 5.5 hours long, so you can complete with 30 minutes per day over a period of 11 days.
Math CourseMath Course from Basic to University level Math
Marco Gameiroleft a comment
I don't know if this is worth sharing but still gave the first step :)
Math CourseMath Course from Basic to University level Math