横向
1
Line crossing from corner to corner
5
Mathematical statement of equality
6
Sum divided by count
7
Exact correspondence on both sides
10
Part of a whole number
纵向
2
Mathematical rule or equation
3
Steepness of a line
4
Three-sided polygon
6
Part of a circle's circumference
8
Number that divides evenly into another
9
U-shaped curve of a quadratic function
11
Math using letters for unknown values