横向
1
Value that does not change
3
The number representing nothing
6
Amount of space an object occupies
8
Divisible by two
纵向
2
Longest side of a right triangle
4
Comparison of two quantities
5
Steepness of a line
7
Proven mathematical statement
Value that does not change
The number representing nothing
Amount of space an object occupies
Divisible by two
Longest side of a right triangle
Comparison of two quantities
Steepness of a line
Proven mathematical statement