横向
1
Difference between highest and lowest values
2
Rectangle with four equal sides
4
Lines that never intersect
6
Number greater than zero
7
Part of a line with two endpoints
8
Number less than zero
纵向
2
Collection of distinct elements
3
Proven mathematical statement
4
Closed shape with straight sides
5
Line segment connecting two circle points
9
Result of raising a number to an exponent