Bright primary school holds student calligraphy exhibition. The calligraphy works of students of all grades are displayed in the school window, including 24 non-fifth grade and 22 non-fifth grade.

1, 2,3,4,6 * * 24 pairs, 1, 2,3,4,5 * * 22 pairs. By subtraction, there are two more pairs in grade six than in grade five, five or six 10 pairs and four pairs in grade five.