C++ 代码

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#include<iostream>

using namespace std;

int main(){



    int no,num;double per;
    int no2,num2; double per2;

    double total;
    cin>>no>>num>>per>>no2>>num2>>per2;
    total = per*num+per2*num2;
    cout<<"VALOR A PAGAR: R$ ";

    printf("%.2lf",total);
    return 0;
}