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1. www.khanacademy.orgKhan Academy | Free Online Courses, Lessons & Practice

   www.khanacademy.org

   Created by experts, Khan Academy’s library of trusted, standards-aligned practice and lessons covers math K-12 through early college, grammar, science, history, AP®, SAT®, and more. It’s all free for learners and teachers.

2. pl.khanacademy.orgKhan Academy

   pl.khanacademy.org

   Ucz się za darmo matematyki, sztuki, programowania, ekonomii, fizyki, chemii, biologii, medycyny, finansów, historii i wielu innych. Khan Academy jest organizacją non-profit z misją zapewnienia darmowej edukacji na światowym poziomie dla każdego i wszędzie.

3. www.khanacademy.org › math › algebraAlgebra I - Khan Academy

   www.khanacademy.org › math › algebra

   Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today!

4. www.khanacademy.org › math › calculus-1Khan Academy

   www.khanacademy.org › math › calculus-1

   Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today!

5. www.youtube.com › user › KhanAcademyPolskiKhanAcademyPoPolsku - YouTube

   www.youtube.com › user › KhanAcademyPolski

   • Zapisane w pamięci cache

   Khan Academy jest organizacją non-profit, której misją jest zmiana edukacji tak by umożliwić wykształcenie na wysokim poziomie każdemu i wszędzie.To jest oficjalny kanał YouTube w języku ...

6. en.khanacademy.org › math › get-ready-for-algebra-iGet ready for Algebra 1 - Khan Academy

   en.khanacademy.org › math › get-ready-for-algebra-i

   Get ready for Algebra 1! Learn the skills that will set you up for success in equations and inequalities; working with units; linear relationships; functions and sequences; exponents radicals, and irrational numbers; and quadratics.

7. learn.khanacademy.org › learn-anythingKhan Academy

   learn.khanacademy.org › learn-anything

   • Zapisane w pamięci cache

   Khan Academy breaks down tough concepts in an easy manner and helps you understand subjects better without having to memorise them. Learn anything you want, at your own pace. 100% Free.