using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace Test10_3{interface ImyInterface1{int Add();}interface ImyInterface2{int Add();}class Myclass:ImyInterface1,ImyInterface2{public int ImyInterface1.Add(){int x = 3;int y = 7;return x + y;}public int ImyInterface2.Add(){int x = 3;int y = 7;int z = 5;return x + y + z;}}class Program{static void Main(string[] args){Myclass myclass = new Myclass();ImyInterface1 imyinterface1 = myclass;ImyInterface2 imyinterface2 = myclass;Console.WriteLine(imyinterface1.Add());Console.WriteLine(imyinterface2.Add());Console.ReadLine();}}}代碼如上，報錯行標黃