横向
1
Line segment connecting two circle points
4
Math using letters for unknown values
5
Power to which a number is raised
8
Single numeral from 0 to 9
10
Part of a circle's circumference
11
Round shape with all points equidistant
12
Distance from center to edge of circle
纵向
2
Part of a whole number
3
Lines that never intersect
4
Sum divided by count
6
Line crossing from corner to corner
7
Exact correspondence on both sides
9
Number less than zero