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Pas de quoi. Cliquer sur "Cours" (en haut à gauche). Sur le menu déroulant, on trouve «Sciences». Cliquez sur la formation qui vous intéresse parmi les formations ci-dessous.
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If you are still having this issue, you may want to open a ticket with the Help Center: https://khanacademy.zendesk.com/
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If you are continuing to have issues, you may want to open a support ticket with the Help Center: https://khanacademy.zendesk.com/
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Emma, A better way to get help might be to post questions in the lesson pages. If you are watching a video and you have questions, click the title above the video and the lesson page will open. ...
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By default, questions under videos are sorted by "Top Rated." You can try sorting by "Recent." If your post was recent, you may be able to find it more easily.
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You may want to open a support ticket with the Help Center: https://khanacademy.zendesk.com/
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The Overall Mastery has to do with the number of skills mastered, not the number/percentage of quiz questions answered. Re-taking the quiz and completing the Unit Test should result in 100% Overal...
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If you watched the videos to the end and did not fast-forward, you may want to open a ticket with the Support Desk: https://khanacademy.zendesk.com/
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I have had this happen. I find that, when I go back to the video, I stopped it before the end and there are a few seconds left to watch. You must watch all the way to the end for the video to be ...
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Are you clicking the "Post Reply" or "Comment" button below the text box when you are finished writing?
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