横向
1
Power to which a number is raised
5
Line crossing from corner to corner
7
Value that does not change
8
Split into equal parts
9
Three-sided polygon
10
Single numeral from 0 to 9
11
Middle value in an ordered dataset
12
Part of a line with two endpoints
纵向
2
Lines that never intersect
3
Round shape with all points equidistant
4
Number less than zero
6
Line touching circle at one point
13
U-shaped curve of a quadratic function