Sorry but when I was grading for Calculus -it would piss me off to no end when some student would mark down the answer without showing their work. In the standard textbook all the answers (without the work leading to the answer) was given on the bottom of the homework page. It was as if the students thought I was exceptionally stupid or something. ie. 2x+4 = 10 *a miracle happens* and x=3
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