横向
1
Collection of distinct elements
3
Mathematical statement of equality
4
Corner point of a polygon
7
Space between two intersecting lines
9
Value that does not change
纵向
2
Number that divides evenly into another
5
Part of a line with two endpoints
6
Difference between highest and lowest values
8
Split into equal parts
10
Divisible by two
11
Part of a circle's circumference
12
Exact correspondence on both sides
