横向
1
Part of a line with two endpoints
5
Reference line in a graph
6
Exact correspondence on both sides
7
Symbol representing unknown value
8
Difference between highest and lowest values
9
Comparison of two quantities
纵向
2
Total distance around a shape
3
Mathematical statement of equality
4
Corner point of a polygon
10
Rectangle with four equal sides
11
Number that divides evenly into another