Respuesta :

YBS20

Answer:

#include <iostream>

using namespace std;

int main()

{

   

   int n = 15;

   

   for(int i=3; i<=n; i=i+3){

       cout<<i;

       cout<<" ";

   }

   return 0;

}

Explanation:

Used for loop to calculate number and display it. for start with 3(int i=3), increment by 3(i=i+3) and stop when 15 came (i<=n where n is 15).

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