横向
1
Proven mathematical statement
5
Comparison of two quantities
6
Result of multiplication
10
Line touching circle at one point
11
Space between two intersecting lines
12
Longest side of a right triangle
纵向
2
Mathematical statement of equality
3
Part of a circle's circumference
4
Part of a line with two endpoints
7
Value that does not change
8
Repeated addition
9
The number representing nothing