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