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什么是数感?所谓数感就是人对数与运算的一般理解。这种理解可以帮助人们用灵活的方法作出数学判断,并为解决复杂问题提出有用的策略。也可以说数感是一种数学素养。在《数学课程标准(实验稿)》中也
What is the number of flu? The so-called number sense is the general understanding of human logarithm and operation. This understanding can help people make mathematical judgments in a flexible way and put forward useful strategies for solving complex problems. It can also be said that a sense of mathematics is a mathematical quality. In “mathematics curriculum standard (experimental draft)” also