横向
1
Lines that never intersect
5
Distance from center to edge of circle
6
Difference between highest and lowest values
7
Number that divides evenly into another
8
Proven mathematical statement
纵向
1
Number divisible only by 1 and itself
2
Sum divided by count
3
Part of a line with two endpoints
4
Mathematical rule or equation
9
Space between two intersecting lines
10
Power to which a number is raised