横向
1
Total distance around a shape
7
Line crossing from corner to corner
8
Round shape with all points equidistant
9
Part of a whole number
12
Closed shape with straight sides
纵向
2
Mathematical statement of equality
3
Number less than zero
4
Proven mathematical statement
5
Steepness of a line
6
Comparison of two quantities
10
Visual representation of data
11
Repeated addition
13
Value that does not change