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分段函数作为一类特殊的函数,有着广泛的应用,已愈来愈引起人们的重视.但由于教材中没有给予系统的介绍,以至于学习中常出现偏差.下面就分段函数的有关几个问题整理归
Piecewise function has a wide range of applications as a special kind of function. It has drawn more and more attention. However, due to the fact that there is no introduction to the system in the teaching material, there is often a bias in the learning. The following section about the function of the subsection Problems are organized