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About | Khan Academy
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.
2024年4月25日
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Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Academy
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Ever heard (or felt) “I’m just not a math person”? Try practicing on Khan Academy: instant feedback, no judgement, a variety of questions, and hints along the way. Give it a try! 👉 khan.co/mathonkhan | Khan Academy
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Ever heard (or felt) “I’m just not a math person”? Try practicing on Khan Academy: instant feedback, no judgement, a variety of questions, and hints along the way. Give it a try! 👉 khan.co/mathonkhan | Khan Academy
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Keep your kids learning over the holidays with Khan Academy Kids! ☃️ Our free educational program has 1000's of learning activities for children ages 2-6, including new winter-themed reading, math and coloring pages for the winter break! ❄️ iOS: khan.co/KKidsWinteriOS ❄️ Android: khan.co/KKidsWinterGP ❄️ Amazon: khan.co/KKidsWinterAM | Khan Academy
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