Q/ write C++ program to create class called grades that has data members Degl, Deg2, and Deg3, also has a constructor to assign values, and another constructor to reset values, also method to display...

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Extracted text: Q/ write C++ program to create class called grades that has data members Degl, Deg2, and Deg3, also has a constructor to assign values, and another constructor to reset values, also method to display values, and method to find the subtraction of grades.