横向
1
Line segment connecting two circle points
4
Number with digits after a point
5
Middle value in an ordered dataset
6
Comparison of two quantities
9
The number representing nothing
11
Divisible by two
纵向
2
Result of multiplication
3
Distance from center to edge of circle
7
Part of a circle's circumference
8
Space between two intersecting lines
10
Exact correspondence on both sides
12
Line touching circle at one point
13
System of ordered marks for measuring
14
Three-sided polygon