横向
1
Closed shape with straight sides
3
Distance from center to edge of circle
5
U-shaped curve of a quadratic function
7
Power to which a number is raised
10
Single numeral from 0 to 9
纵向
2
Line segment connecting two circle points
4
Three-sided polygon
6
Proven mathematical statement
8
Number with digits after a point
9
Collection of distinct elements