横向
1
Rectangle with four equal sides
3
Repeated addition
4
Power to which a number is raised
6
Single numeral from 0 to 9
8
Result of addition
9
Closed shape with straight sides
12
Exact correspondence on both sides
纵向
1
Collection of distinct elements
2
Lines that never intersect
5
Amount of space an object occupies
7
Parts per hundred
10
Divisible by two
11
Number less than zero