横向
1
Total distance around a shape
6
Number divisible only by 1 and itself
7
Parts per hundred
8
Number less than zero
10
Comparison of two quantities
11
Split into equal parts
纵向
1
Closed shape with straight sides
2
Three-sided polygon
3
Mathematical statement of equality
4
Line segment connecting two circle points
5
Repeated addition
9
Corner point of a polygon
12
Middle value in an ordered dataset