横向
1
Symbol representing unknown value
5
Mathematical statement of equality
7
Exact correspondence on both sides
8
Result of multiplication
10
Middle value in an ordered dataset
11
Difference between highest and lowest values
12
Reference line in a graph
14
Result of raising a number to an exponent
纵向
2
Math using letters for unknown values
3
Visual representation of data
4
Sum divided by count
6
Number that divides evenly into another
9
Longest side of a right triangle
13
Lines that never intersect