横向
1
Number greater than zero
5
Sum divided by count
6
Exact correspondence on both sides
7
Collection of distinct elements
8
Part of a whole number
纵向
2
Visual representation of data
3
Mathematical statement of equality
4
Total distance around a shape
5
Math using letters for unknown values
8
Number that divides evenly into another
9
Repeated addition
10
Single numeral from 0 to 9
11
Number with digits after a point
12
Line crossing from corner to corner