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本文介绍函数的不连续点的类型及判别方法.1.函数y=f(x)在点x=x0处连续的定义定义如果函数y=f(x)在点x=x0处及其附近有定义,而且limf(x)=f(x0),那么函
This article describes the types and methods of discontinuity of functions. 1. Function y=f(x) Definition at the point x=x0 is continuous If the function y=f(x) is at or near the point x=x0 Definition, and limf(x) = f(x0), then the letter