横向
1
Exact correspondence on both sides
2
Line crossing from corner to corner
5
Middle value in an ordered dataset
7
Collection of distinct elements
8
Part of a line with two endpoints
10
Symbol representing unknown value
11
Power to which a number is raised
纵向
1
Steepness of a line
3
Result of addition
4
Result of raising a number to an exponent
6
Longest side of a right triangle
9
Number less than zero
12
Amount of space an object occupies
