横向
1
Closed shape with straight sides
4
Result of addition
5
Result of raising a number to an exponent
7
Single numeral from 0 to 9
纵向
1
Number greater than zero
2
Middle value in an ordered dataset
3
Part of a line with two endpoints
6
Steepness of a line
8
U-shaped curve of a quadratic function
9
Difference between highest and lowest values