横向
1
Space between two intersecting lines
3
Reference line in a graph
4
Closed shape with straight sides
6
Value that does not change
9
Part of a line with two endpoints
10
Round shape with all points equidistant
纵向
2
Three-sided polygon
3
Sum divided by count
4
Parts per hundred
5
Number less than zero
7
Single numeral from 0 to 9
8
Repeated addition
