横向
1
Collection of distinct elements
4
Lines that never intersect
5
Number that divides evenly into another
6
Value that does not change
7
Line segment connecting two circle points
8
Exact correspondence on both sides
9
Mathematical statement of equality
纵向
2
Distance from center to edge of circle
3
Number less than zero
4
Closed shape with straight sides
10
Power to which a number is raised
11
Result of addition