9.22作业

#include<iostream>
using namespace std;
int main()
{
    int x=8999;
    int value=x*1000/1000;
    cout<<"value="<<value<<endl;
    return 0;
}

#include<iostream>
using namespace std;
int main()
{
    int x=8999;
    int value=x/1000*1000;
    cout<<"value="<<value<<endl;
    return 0;
}

#include<iostream>
using namespace std;
int main()
{
    int x=8999;
    int value=x/1000.0*1000;
    cout<<"value="<<value<<endl;
    return 0;
}