横向
1
U-shaped curve of a quadratic function
3
Split into equal parts
4
Collection of distinct elements
8
Comparison of two quantities
9
Single numeral from 0 to 9
纵向
1
Closed shape with straight sides
2
Number greater than zero
5
Part of a whole number
6
Distance from center to edge of circle
7
Round shape with all points equidistant
