横向
1
Difference between highest and lowest values
4
Steepness of a line
5
Split into equal parts
6
Amount of space an object occupies
8
Part of a circle's circumference
纵向
2
Number divisible only by 1 and itself
3
Power to which a number is raised
4
Rectangle with four equal sides
7
Number greater than zero
9
Exact correspondence on both sides