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Well, one has to get the answer right first and be sure of it. Or, does it help to know the wrong answers upfront? It made me look more carefully (a little less than 50 times 😊)
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People missing the order of operations are the most interesting to me. I think that’s liberal arts left-to-rightreaders. The order is second nature to me. Once I saw the X, I couldn’t make a certain kind of mistake
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