横向
1
Space between two intersecting lines
2
Steepness of a line
6
Symbol representing unknown value
7
Part of a circle's circumference
11
Value that does not change
纵向
2
Collection of distinct elements
3
Difference between highest and lowest values
4
Math using letters for unknown values
5
Corner point of a polygon
8
Part of a whole number
9
Result of multiplication
10
U-shaped curve of a quadratic function
12
Parts per hundred