横向
1
Result of multiplication
4
The number representing nothing
7
Total distance around a shape
8
Reference line in a graph
9
Power to which a number is raised
11
Proven mathematical statement
13
Mathematical rule or equation
纵向
2
Single numeral from 0 to 9
3
Part of a whole number
5
Space between two intersecting lines
6
Exact correspondence on both sides
10
Rectangular array of numbers
12
Amount of space an object occupies