横向
1
Lines that never intersect
5
Parts per hundred
7
Space between two intersecting lines
8
The number representing nothing
9
Exact correspondence on both sides
10
Part of a circle's circumference
11
Distance from center to edge of circle
12
Single numeral from 0 to 9
纵向
2
Value that does not change
3
Proven mathematical statement
4
Comparison of two quantities
6
Round shape with all points equidistant
9
Rectangle with four equal sides
10
Reference line in a graph