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#include <iostream>
#include <Cmath>
using namespace std;
int main()
{
double principal,rate,payPerYear,numYears,payment,number,denom,e,b;
cout<<"请输入本金:";
cin>>principal;
cout<<endl;
cout<<"请输入贷款时间:";
cin>>numYears;
cout<<endl;
cout<<"请输入每年还款次数:";
cin>>payPerYear;
cout<<endl;
cout<<"请输入贷款利率:";
cin>>rate;
number=rate*principal/payPerYear;
e=-(payPerYear*numYears);
b=(rate/payPerYear)+1;
denom=1-pow(b,e);
payment=number/denom;
cout<<endl;
cout<<"还款金额是"<<payment;
cout<<endl;
return 0;
}
- 运行结果:
第八周上机任务(求还款金额) - 心得体会: