横向
1
Sum divided by count
5
Number divisible only by 1 and itself
6
Mathematical statement of equality
7
U-shaped curve of a quadratic function
10
Total distance around a shape
12
Proven mathematical statement
纵向
2
Comparison of two quantities
3
Space between two intersecting lines
4
Rectangle with four equal sides
5
Number greater than zero
8
Three-sided polygon
9
Difference between highest and lowest values
11
Reference line in a graph