横向
1
Proven mathematical statement
5
Amount of space an object occupies
纵向
2
Exact correspondence on both sides
3
Result of addition
4
Steepness of a line
6
Part of a circle's circumference
7
Divisible by two
8
Lines that never intersect
Proven mathematical statement
Amount of space an object occupies
Exact correspondence on both sides
Result of addition
Steepness of a line
Part of a circle's circumference
Divisible by two
Lines that never intersect