横向
1
Middle value in an ordered dataset
4
Split into equal parts
5
Difference between highest and lowest values
6
Part of a line with two endpoints
7
Three-sided polygon
8
System of ordered marks for measuring
13
Math using letters for unknown values
纵向
2
Reference line in a graph
3
Value that does not change
4
Number with digits after a point
9
Proven mathematical statement
10
Collection of distinct elements
11
Number divisible only by 1 and itself
12
Closed shape with straight sides