横向
1
Single numeral from 0 to 9
3
Amount of space an object occupies
5
Space between two intersecting lines
7
Corner point of a polygon
8
Result of multiplication
10
The number representing nothing
纵向
1
Line crossing from corner to corner
2
Visual representation of data
4
Part of a whole number
6
Lines that never intersect
9
Rectangular array of numbers
11
Round shape with all points equidistant