横向
1
Single numeral from 0 to 9
4
Part of a line with two endpoints
7
Exact correspondence on both sides
10
Proven mathematical statement
13
Part of a whole number
纵向
2
Repeated addition
3
Distance from center to edge of circle
5
Split into equal parts
6
Parts per hundred
8
Result of raising a number to an exponent
9
Number greater than zero
11
Amount of space an object occupies
12
System of ordered marks for measuring