横向
1
Steepness of a line
4
Exact correspondence on both sides
5
Power to which a number is raised
9
Line touching circle at one point
纵向
2
Number divisible only by 1 and itself
3
Reference line in a graph
4
System of ordered marks for measuring
6
Single numeral from 0 to 9
7
Number greater than zero
8
Line segment connecting two circle points