横向
1
Space between two intersecting lines
4
Symbol representing unknown value
6
Amount of space an object occupies
8
Closed shape with straight sides
9
Three-sided polygon
10
Proven mathematical statement
纵向
2
Mathematical rule or equation
3
Split into equal parts
5
Round shape with all points equidistant
7
Power to which a number is raised
11
Longest side of a right triangle