横向
1
Line segment connecting two circle points
3
Space between two intersecting lines
5
Number that divides evenly into another
7
Result of raising a number to an exponent
8
Number with digits after a point
9
Result of addition
11
Number greater than zero
纵向
2
Mathematical rule or equation
4
U-shaped curve of a quadratic function
6
Split into equal parts
10
Reference line in a graph
12
Part of a circle's circumference
13
Part of a line with two endpoints