横向
1
Middle value in an ordered dataset
4
Number greater than zero
6
Visual representation of data
7
Space between two intersecting lines
10
Value that does not change
纵向
2
Exact correspondence on both sides
3
Reference line in a graph
4
Result of multiplication
5
Three-sided polygon
8
Corner point of a polygon
9
Collection of distinct elements
11
Number that divides evenly into another
12
The number representing nothing
