Qanday yordam kerak?
Richard Reilly
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The "gaming" aspect of Khan University is it's strongest aspect. Mastery Challenges. Energy Points. A Leader Board is the natural next step. I would like to clarify, however, that it would be a...
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Faollik ko’lami 2
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Oxirgi harakat
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hamjamiyati bilan birga
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Oqiyabdi 0 foydalanuvchii
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O’qiyotganlarni 0 foydalanuvchii
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Ovozlar 1
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Obunalar 0