横向
1
Comparison of two quantities
4
Split into equal parts
5
Part of a whole number
7
Distance from center to edge of circle
8
Value that does not change
9
Amount of space an object occupies
纵向
2
Line segment connecting two circle points
3
Number greater than zero
5
Number that divides evenly into another
6
Number divisible only by 1 and itself
10
Part of a line with two endpoints
11
Steepness of a line
12
Line touching circle at one point
13
U-shaped curve of a quadratic function