Ինչպե՞ս կարող ենք օգնել:
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I agree this would be extremely helpful, considering not everyone has a desktop/laptop at home to do the practice. In the meantime, one can do the practice using a mobile browser by navigating to t...
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I like the idea of a notepad. In Khan Academy's normal math practice/lessons, one can write directly on the question using a pen tool. I like to use this feature for solving problems, sometimes I j...
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Total activity 7
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Last activity
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