横向
1
Result of raising a number to an exponent
3
Lines that never intersect
4
Symbol representing unknown value
5
Longest side of a right triangle
6
Amount of space an object occupies
7
Difference between highest and lowest values
纵向
2
Steepness of a line
3
U-shaped curve of a quadratic function
8
Single numeral from 0 to 9
9
Visual representation of data
10
Value that does not change
11
Line segment connecting two circle points
12
Proven mathematical statement
13
Repeated addition