横向
1
Round shape with all points equidistant
4
Number with digits after a point
5
Part of a line with two endpoints
9
Difference between highest and lowest values
10
Middle value in an ordered dataset
纵向
2
Amount of space an object occupies
3
Line crossing from corner to corner
5
Collection of distinct elements
6
Number less than zero
7
Value that does not change
8
Closed shape with straight sides