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Marek Narozniak

Marek Narozniak heeft een opmerking geplaatst, 5 mei 2017 14:19
Reddit helped faster ;), quoting the solution: https://www.khanacademy.org/mathThe pages still exist if you scroll down, they just don't pop up on the drop-down menu. I ran into the same problem. :...
Marek Narozniak heeft een post gemaakt, 5 mei 2017 07:03
What happened to differential calculus and integral calculus missions?

Were differential calculus and integral calculus missions replaced with AP Calculus AB and AP Calculus BC? So confusing... Could you please write some statement explaining what changed? I was plann...
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