横向
1
Power to which a number is raised
6
Rectangle with four equal sides
8
Divisible by two
9
Space between two intersecting lines
10
Reference line in a graph
11
Split into equal parts
纵向
2
Line touching circle at one point
3
Math using letters for unknown values
4
Exact correspondence on both sides
5
Line segment connecting two circle points
7
Amount of space an object occupies