横向
1
Proven mathematical statement
4
Reference line in a graph
6
Corner point of a polygon
7
Lines that never intersect
8
Mathematical statement of equality
10
Number divisible only by 1 and itself
纵向
2
Amount of space an object occupies
3
Total distance around a shape
4
Math using letters for unknown values
5
Middle value in an ordered dataset
9
Longest side of a right triangle
11
Line crossing from corner to corner
12
Power to which a number is raised
13
Part of a whole number