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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.
Apprenez gratuitement les Mathématiques, l'Art, la Programmation, l'Economie, la Physique, la Chimie, la Biologie, la Médecine, la Finance, l'Histoire et plus encore. Khan Academy est une ONG qui a pour mission d'offrir un enseignement gratuit et de qualité, pour tout le monde, partout.
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]
Need a Khan Academy account? 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.
Arithmétique. Introduction à la multiplication. Multiplier des nombres à un chiffre. La notion de division. Comprendre les fractions. Les unités de numération dans un nombre inférieur à un million. Additionner ou soustraire deux nombres inférieurs à un million. Multiplier deux nombres à un chiffre ou à deux chiffres.
Learn about all the sciences, from physics, chemistry and biology, to cosmology and astronomy, across hundreds of videos, articles and practice questions.
Découvrez toutes les sciences, de la physique à la chimie en passant par la biologie, la cosmologie, l’astronomie grâce à des centaines de vidéos, articles et exercices.
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's Mathematics 1 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!
Khan Academy is a nonprofit providing a free, world-class education for anyone, anywhere. Our interactive practice problems, articles, and videos help students succeed in math, biology,...
