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请在下列程序的横线处填写正确的语句。include using namespace std; class Base{ publ

请在下列程序的横线处填写正确的语句。

include<iostream>

using namespace std;

class Base{

public:

void fun(){cout<<"Base fun"<<endl;}

};

class Derivde:public Base{

public:

void fun(){

______∥ 调用基类的函数


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