横向
1
Closed shape with straight sides
4
Reference line in a graph
5
Single numeral from 0 to 9
7
The number representing nothing
9
Lines that never intersect
纵向
2
Power to which a number is raised
3
Longest side of a right triangle
6
Line touching circle at one point
8
Line crossing from corner to corner
10
Result of raising a number to an exponent