横向
1
Result of multiplication
4
Line segment connecting two circle points
5
Closed shape with straight sides
6
Sum divided by count
8
Power to which a number is raised
12
Lines that never intersect
纵向
1
U-shaped curve of a quadratic function
2
Number less than zero
3
Single numeral from 0 to 9
7
Proven mathematical statement
9
Longest side of a right triangle
10
Exact correspondence on both sides
11
Visual representation of data