横向
1
Symbol representing unknown value
6
Mathematical statement of equality
7
Line segment connecting two circle points
10
Rectangle with four equal sides
12
Result of addition
纵向
2
Result of raising a number to an exponent
3
Proven mathematical statement
4
Math using letters for unknown values
5
Value that does not change
8
Single numeral from 0 to 9
9
Visual representation of data
11
Difference between highest and lowest values
13
Reference line in a graph