According to the study unit, addition is defined as
Acombining two or more numbers to find their sum.
Bcombining two or more numbers to find their difference.
Ccombining two or more numbers to find their product.
Dcombining two or more numbers to find their quotient.
Acombining two or more numbers to find their sum.
Bcombining two or more numbers to find their difference.
Ccombining two or more numbers to find their product.
Dcombining two or more numbers to find their quotient.