横向
1
Line segment connecting two circle points
3
Part of a line with two endpoints
5
Distance from center to edge of circle
6
Symbol representing unknown value
7
U-shaped curve of a quadratic function
8
Power to which a number is raised
9
Mathematical statement of equality
12
Result of addition
纵向
2
Amount of space an object occupies
3
Steepness of a line
4
Split into equal parts
10
Parts per hundred
11
Mathematical rule or equation