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kevinxu2013: ½ð±Ò+50 2015-05-16 21:21:34
(1) At first, some examples were given for their applications in solving  mathematical problems respectively, then the solving methods for functions with two variables were inveatigated on the basis of those for functions with one variable, and what should be paid important attentions to in solving these problems were also clarified. Finally, a conclusion was made for the computation of  limit of all functions, and it was also pionted out that there were many methods to compute the limits of functions.
(2) The application of the limit method in mathematics is also an important symbol that distinguishes the advanced mathematics from the elementary mathematics .
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The applications of limit methods in mathematics is also the important symbol that advanced mathematics is different than elementary mathematics.
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At first we give some examples about the applications of solving problems, then study the solving of limits of two variable functions, and pointed out the matters needing attention in the solving of this several kind of problems. At last we summarized the calculate of limits of functions and indicated that there are many kind of methods about it.
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