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《Journal of Changchun University》 2011-02
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Two kinds of piecewise functions ascertained as elementary function

SUI Da-hai(Siping Vocational College,Siping 136000,China)  
This paper proves the two kinds of piecewise functions as elementary function,then illustrates the way of converting these two piecewise functions to analytic formula.
【CateGory Index】: O174
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【Citations】
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