横向
1
Part of a line with two endpoints
3
U-shaped curve of a quadratic function
4
Reference line in a graph
6
Repeated addition
7
Lines that never intersect
纵向
2
Number greater than zero
3
Result of raising a number to an exponent
5
Proven mathematical statement
8
Mathematical rule or equation
9
Number less than zero
10
Longest side of a right triangle
11
Visual representation of data