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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.
Khan Academy
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Terminal prepositions (video) | Khan Academy
It's totally okay to end sentences with prepositions! David, Khan Academy's grammarian-in-chief, explains the history and the context behind this long-held grammar myth.
Prepositions of neither space nor time (video) | Khan Academy
Some prepositions describe relationships between people or things. These prepositions don’t include information about time or space.
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Is Khan Academy available in other languages?
2021年9月20日 · See this article for more information on how to enable subtitles on Khan Academy videos. The translated content is largely made possible by our wonderful volunteer community who helps us in continuing to make the content available in other languages.
Khan Academy
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Khan Academy
Học miễn phí nhiều môn học như toán học, nghệ thuật, lập trình, kinh tế học, vật lý, hóa học, sinh học, y học, tài chính, lịch sử và nhiều hơn nữa. Khan Academy là tổ chức phi lợi nhuận với sứ mệnh cung cấp một nền giáo dục với đẳng cấp quốc …
How do i create a new project or a new "spin off" - Khan Academy …
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