title:教職自我增能專區

Khan Academy

網站連結：https://zh-hans.khanacademy.org/

連至：https://zh-hans.khanacademy.org/

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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.