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Mar 18, 2020 at 12:57 comment added Hyobin Lee Of course algebraic skills are what we as teachers desperately seek to cultivate in our students. Some students even find this type of exercises amusing to an extent. But my question is, would you deliberately include them if you were to write your own textbook?
Mar 18, 2020 at 11:32 history answered guest CC BY-SA 4.0