@khanacademy @Tapaquita Pow un problema de Khan en inglés .
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy 4 days. ;-)Thanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy 4 days. Log 1,000,000 = 6 = 1.5 d; therefore d = 4.Thanks. Twitter will use this to make your timeline better. UndoUndo
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