横向
1
Longest side of a right triangle
4
U-shaped curve of a quadratic function
6
Collection of distinct elements
7
Difference between highest and lowest values
8
Round shape with all points equidistant
9
Number with digits after a point
11
Line touching circle at one point
14
Divisible by two
纵向
2
Middle value in an ordered dataset
3
Power to which a number is raised
4
Number greater than zero
5
Part of a circle's circumference
10
Space between two intersecting lines
12
Sum divided by count
13
Exact correspondence on both sides