横向
1
Power to which a number is raised
6
Split into equal parts
7
Line crossing from corner to corner
8
Number with digits after a point
13
Steepness of a line
纵向
2
Math using letters for unknown values
3
Line touching circle at one point
4
Longest side of a right triangle
5
Corner point of a polygon
9
U-shaped curve of a quadratic function
10
Number greater than zero
11
Middle value in an ordered dataset
12
Number divisible only by 1 and itself