横向
1
Proven mathematical statement
5
Line segment connecting two circle points
6
Number less than zero
7
Repeated addition
8
Reference line in a graph
纵向
2
Result of multiplication
3
Value that does not change
4
The number representing nothing
Proven mathematical statement
Line segment connecting two circle points
Number less than zero
Repeated addition
Reference line in a graph
Result of multiplication
Value that does not change
The number representing nothing