横向
1
Number greater than zero
3
Closed shape with straight sides
4
Round shape with all points equidistant
5
Exact correspondence on both sides
6
Result of addition
7
Distance from center to edge of circle
9
Rectangular array of numbers
纵向
2
Mathematical rule or equation
4
Line segment connecting two circle points
5
System of ordered marks for measuring
8
Power to which a number is raised
10
Space between two intersecting lines
11
Part of a circle's circumference