横向
1
Result of raising a number to an exponent
3
Math using letters for unknown values
5
Longest side of a right triangle
10
Result of addition
12
Line touching circle at one point
纵向
2
Rectangle with four equal sides
4
Steepness of a line
6
The number representing nothing
7
Result of multiplication
8
Exact correspondence on both sides
9
Amount of space an object occupies
11
Middle value in an ordered dataset