In the given equations above, the sum of the first two numbers is equal to the third number.
72 + 8 = 80, which is not equal to 45.54 + 9 = 63, which is not equal to 20.
Therefore, these equations do not follow the pattern stated in the question.
In the given equations above, the sum of the first two numbers is equal to the third number.
72 + 8 = 80, which is not equal to 45.
54 + 9 = 63, which is not equal to 20.
Therefore, these equations do not follow the pattern stated in the question.