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#2
oncoldrain2012-10-13 21:24
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#include<iostream>
int main()
{
float a,b;
std::cout<<"输入千米数: "<<std::endl;
std::cin>>a;
b=(float)a/1.60934;
std::cout<<"英里数: ";
std::cout<<b<<std:endl;
return 0;
}