Isaiah tusing

i think not having to get them n-in-a-row and having to get a certain percentage is good, because it shows you have a grasp and understanding of the concept. it allows careless mistakes to be overl...

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 i personally like it. i hated that when i got 4 questions in a row right, then i made a careless mistake and ohh...i had to start over.

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2. News and Updates from Khan Academy
3. Update: New way for skills to count as "Practiced"

it is an interesting answer....0 goes into one 0 times because 0 has no value...so nothing (0) can go into someting (1) 0 times

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