横向
1
Steepness of a line
4
Exact correspondence on both sides
5
Middle value in an ordered dataset
6
U-shaped curve of a quadratic function
7
Number greater than zero
8
Mathematical statement of equality
10
Corner point of a polygon
纵向
2
Distance from center to edge of circle
3
Number less than zero
9
Total distance around a shape
11
Divisible by two