横向
1
System of ordered marks for measuring
2
Part of a whole number
6
Lines that never intersect
7
Line segment connecting two circle points
8
Split into equal parts
9
Middle value in an ordered dataset
纵向
2
Mathematical rule or equation
3
Round shape with all points equidistant
4
Sum divided by count
5
Divisible by two
10
Number that divides evenly into another