I like your approach.
I believe you did the same, yes?
Pretty much. I went on until I met two criteria. First, a hundred percent correct, and second doing the problems very fast with no thinking, "by hand". If I was still thinking, trying to figure out problems, I wasn't done.I went back and did a couple on set 1 after a couple of months and didn't quite get 100 percent, but I think one of them was a mistake in the program.
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