横向
1
Middle value in an ordered dataset
3
Corner point of a polygon
6
U-shaped curve of a quadratic function
7
Parts per hundred
8
The number representing nothing
9
Sum divided by count
12
Collection of distinct elements
纵向
2
Number with digits after a point
4
Difference between highest and lowest values
5
Number less than zero
10
Longest side of a right triangle
11
Rectangle with four equal sides
13
Symbol representing unknown value
14
Number that divides evenly into another