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Khan Academy

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  • 2023-08-26收录时间
  • 2023-08-26更新时间
Khan Academy
  • 官网简介:

    Khan Academy(www.khanacademy.org)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,learn,videos,lectures,practice,exercises,skills

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