66委托 delegate double yun Suan(double n1, double n2) stat ic double Mul tiply ( double n1, double n2)=>n1 n2 static double Divide double n1, double n2)=>n1 /n2 static void Main(string[ args double d1 double Parse( readL ine o) double d2= double Parse(ReadLine o) Writeline("请输入*或者/:") str ing str ReadL o yunsuan ys f ( st ys Multipl //ys new yun Suan (Multiply) e se ys Divide / new yunsuan (DIVI Writel ine(ys(d1, d2))6.6 委托