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Calvin Haworth

Calvin Haworth heeft een opmerking geplaatst, 4 februari 2020 02:23
Glad someone agrees. I love the old mastery challenges because oftentimes I don't need the video or article to do the problem; I can figure it out on my own. It forces me to actually learn instead ...
Calvin Haworth heeft een post gemaakt, 4 februari 2020 02:12
Removing missions???

I have been using missions for a few years now to brush up on skills that I know and find out what I don't know. I'll miss them if they are gone because I dislike the sluggish interface you normall...
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