横向
1
Single numeral from 0 to 9
4
Result of raising a number to an exponent
5
Number less than zero
6
Math using letters for unknown values
10
Line touching circle at one point
12
Number divisible only by 1 and itself
纵向
2
Corner point of a polygon
3
Mathematical statement of equality
7
Visual representation of data
8
Repeated addition
9
The number representing nothing
11
Difference between highest and lowest values