横向
1
Lines that never intersect
5
Three-sided polygon
6
Number less than zero
11
Part of a whole number
12
Mathematical statement of equality
纵向
2
Middle value in an ordered dataset
3
Amount of space an object occupies
4
Rectangle with four equal sides
7
Line segment connecting two circle points
8
Visual representation of data
9
Rectangular array of numbers
10
Line touching circle at one point
13
Space between two intersecting lines
14
Exact correspondence on both sides