Folks, this is Mückenheim. He doesn't want to learn math, he wants to teach math (and needless to say, he's not qualified to do that). — UweOct 9 at 9:37
@user21820 (By the time I came to them, just a few minutes ago, all but one was deleted, and the other had two delete votes, so most of the work was done by others!)
@user21820 I've been focusing my deletion activities on this "worst offenders" subset of Xander's query. The influx per day is about 3, and I'm deleting 10. So, we're gaining ground!