横向
1
Amount of space an object occupies
5
Part of a whole number
6
Line segment connecting two circle points
7
Round shape with all points equidistant
10
Sum divided by count
纵向
2
Steepness of a line
3
Proven mathematical statement
4
Divisible by two
8
Visual representation of data
9
System of ordered marks for measuring
11
Line crossing from corner to corner
12
Part of a line with two endpoints
