Logical and enlightening "problem introduction" is widely used in high school mathematics classroom, which can help students quickly build mathematical problem scenarios, and also help to mobilize students' learning enthusiasm in mathematics classroom, realize the innovation of students' learning thinking mode, improve students' mathematical vision, and bring students' thinking to a certain theoretical depth And a higher level, so that students' mathematical thinking literacy and skills level has been further improved. Therefore, the research of "problem introduction" teaching in high school mathematics is particularly important. .<br>
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