横向
1
Number divisible only by 1 and itself
2
Three-sided polygon
3
Distance from center to edge of circle
5
Reference line in a graph
6
Divisible by two
7
Lines that never intersect
10
Corner point of a polygon
纵向
1
U-shaped curve of a quadratic function
2
Proven mathematical statement
4
Result of addition
8
Line crossing from corner to corner
9
Collection of distinct elements