横向
1
Exact correspondence on both sides
4
Space between two intersecting lines
6
Part of a whole number
7
Single numeral from 0 to 9
8
The number representing nothing
13
Parts per hundred
纵向
2
Closed shape with straight sides
3
Result of addition
5
Result of multiplication
9
Number less than zero
10
Number greater than zero
11
Proven mathematical statement
12
Line crossing from corner to corner