横向
1
Closed shape with straight sides
3
Corner point of a polygon
5
Part of a line with two endpoints
6
Part of a whole number
9
Line segment connecting two circle points
10
Comparison of two quantities
纵向
1
U-shaped curve of a quadratic function
2
Parts per hundred
4
Line crossing from corner to corner
6
Number that divides evenly into another
7
Exact correspondence on both sides
8
Proven mathematical statement
9
Round shape with all points equidistant
11
Space between two intersecting lines