横向
1
Reference line in a graph
3
Proven mathematical statement
5
Collection of distinct elements
9
The number representing nothing
10
Steepness of a line
11
Visual representation of data
12
Line touching circle at one point
纵向
2
Mathematical statement of equality
4
Split into equal parts
6
Amount of space an object occupies
7
Longest side of a right triangle
8
Comparison of two quantities
10
Result of addition