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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.
Log in to Khan Academy to get started! Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
Khan Academy's Mathematics 1 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!
Learn about all the sciences, from physics, chemistry and biology, to cosmology and astronomy, across hundreds of videos, articles and practice questions.
Khan Academy's Algebra 1 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience! The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a function; Exponential models; and ...
Изучайте бесплатно математику, искусство, компьютерное программирование, экономику, физику, химию, биологию, медицину, финансы, историю и многое другое. "Академия Хана" является ...
Khan Academy is a nonprofit providing a free, world-class education for anyone, anywhere. Our interactive practice problems, articles, and videos help studen...
Need a Khan Academy account? Изучайте бесплатно математику, искусство, компьютерное программирование, экономику, физику, химию, биологию, медицину, финансы, историю и многое другое.
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.
Khan Academy is an American non-profit educational organization created in 2006 by Sal Khan. Its goal is to create a set of online tools that help educate students. [4] The organization produces short video lessons. [5]
