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pow() 函式 - 計算冪次與開根號

本帖最後由 tonyh 於 2016-2-5 19:34 編輯

利用pow() 函式, 設計一個可以輕鬆計算冪次與開根號的計算機.



  1. #include<iostream>
  2. #include<cstdlib>
  3. #include<cmath>
  4. using namespace std;
  5. int main()
  6. {
  7.     double x,y;
  8.     cout<<"請輸入底數: ";
  9.     cin>>x;
  10.     cout<<"請輸入指數: ";
  11.     cin>>y;
  12.     cout<<x<<"的"<<y<<"次方, 值為"<<pow(x,y)<<endl;
  13.     system("pause");     
  14.     return 0;   
  15. }
複製代碼

  1. #include<iostream>
  2. #include<cstdlib>
  3. #include<cmath>
  4. using namespace std;
  5. int main()
  6. {
  7.     double x,y;
  8.     cout<<"請輸入底數: ";
  9.     cin>>x;
  10.     cout<<"請輸入指數: ";
  11.     cin>>y;
  12.     cout<<x<<"的"<<y<<"次方, 值為"<<pow(x,y)<<endl;
  13.     system("pause");     
  14.     return 0;   
  15. }
複製代碼

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  1. #include<iostream>
  2. #include<cstdlib>
  3. #include<cmath>
  4. using namespace std;
  5. int main(){
  6.     double x, y;
  7.     cout<<"請輸入底數: ";
  8.     cin>>x;
  9.     cout<<"請輸入指數: ";
  10.     cin>>y;
  11.     cout<<x<<"的"<<y<<"次方為: "<<pow(x,y)<<endl;
  12.     system("pause");   
  13.     return 0;  
  14. }
複製代碼
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  1. #include<cstdlib>
  2. #include<iostream>
  3. #include<cmath>
  4. using namespace std;
  5. int main()
  6. {
  7.         double x,y;
  8.         cout<<"請輸入底數: ";
  9.         cin>>x;
  10.         cout<<"請輸入指數: ";
  11.         cin>>y;
  12.         cout<<x<<"的"<<y<<"次方, 值為"<<pow(x,y)<<endl;
  13.         system("pause");
  14.         return 0;
  15. }
複製代碼

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  1. #include<iostream>
  2. #include<cstdlib>
  3. #include<cmath>
  4. using namespace std;
  5. int main()
  6. {
  7.     double x,y;
  8.     cout<<"請輸入底數: ";
  9.     cin>>x;
  10.     cout<<"請輸入指數: ";
  11.     cin>>y;
  12.     cout<<x<<"的"<<y<<"次方, 值為"<<pow(x,y)<<endl;
  13.     system("pause");     
  14.     return 0;   
  15. }
複製代碼

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  1. #include<iostream>
  2. #include<cstdlib>
  3. #include<cmath>
  4. using namespace std;
  5. int main()
  6. {
  7.     double x,y;
  8.     cout<<"請輸入底數: ";
  9.     cin>>x;
  10.     cout<<"請輸入指數: ";
  11.     cin>>y;
  12.     cout<<x<<"的"<<y<<"次方, 值為"<<pow(x,y)<<endl;
  13.     system("pause");     
  14.     return 0;   
  15. }
複製代碼
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