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1. Cộng đồng
2. Positive Stories and Testimonials

Khan Academy is extremely efficient and covers many different topics; I highly recommend it to anyone who is looking for something to learn math, science, coding, or grammar and wants something tha...

1. Cộng đồng
2. Content Requests and Feedback

Hello, I would like to make a request for the ability to include annotations in KA articles. This would include highlighting specific important text and the ability to add notes. This feature would...