Identify the mathematical equation or expression in the image.

Solution:

• The mathematical expression appears to be a division problem with circled numbers above a fraction bar. Based on the visual cues, it can be interpreted as: x / 1 = 80 : 4 = 25. The circled numbers 1, 3, and 2 are likely labels or indices for different parts of the problem or examples.

Answer: x / 1 = 80 : 4 = 25