横向
1
Math using letters for unknown values
4
Mathematical rule or equation
5
Collection of distinct elements
7
Parts per hundred
8
Closed shape with straight sides
10
Divisible by two
11
Amount of space an object occupies
12
Rectangular array of numbers
13
Visual representation of data
纵向
2
Corner point of a polygon
3
Mathematical statement of equality
4
Number that divides evenly into another
6
Sum divided by count
9
Repeated addition
