横向
1
Collection of distinct elements
3
Comparison of two quantities
4
Number that divides evenly into another
6
Mathematical statement of equality
7
Difference between highest and lowest values
8
Rectangular array of numbers
9
Exact correspondence on both sides
11
Result of multiplication
纵向
2
Math using letters for unknown values
5
Visual representation of data
6
Power to which a number is raised
10
Line touching circle at one point
12
Number divisible only by 1 and itself