横向
1
Middle value in an ordered dataset
4
Difference between highest and lowest values
7
Lines that never intersect
8
Line touching circle at one point
9
Line crossing from corner to corner
纵向
2
Line segment connecting two circle points
3
Number that divides evenly into another
5
Mathematical statement of equality
6
Total distance around a shape
10
Amount of space an object occupies
11
Result of addition
12
Closed shape with straight sides