横向
1
Round shape with all points equidistant
3
U-shaped curve of a quadratic function
4
Line crossing from corner to corner
6
Steepness of a line
7
Closed shape with straight sides
10
Line touching circle at one point
纵向
2
Repeated addition
3
Number greater than zero
5
Part of a whole number
8
Middle value in an ordered dataset
9
Difference between highest and lowest values