横向
1
Sum divided by count
5
Collection of distinct elements
6
Rectangular array of numbers
7
Middle value in an ordered dataset
8
Corner point of a polygon
9
Closed shape with straight sides
10
Parts per hundred
纵向
2
Rectangle with four equal sides
3
Lines that never intersect
4
Symbol representing unknown value
5
Steepness of a line
11
Longest side of a right triangle
12
Part of a whole number
13
Number divisible only by 1 and itself