摘要：
public delegate double Calc(double a, double b); /// /// Define all the concrete calculation /// class Functions { public double Add(double a, double b) { return a + b; } public double Multip... 阅读全文
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摘要：
public delegate double Calc(double a, double b); /// /// Define all the concrete calculation /// class Functions { public double Add(double a, double b) { return a + b; } public double Multip... 阅读全文
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