横向
1
Math using letters for unknown values
3
Value that does not change
5
Number greater than zero
7
System of ordered marks for measuring
9
Result of multiplication
纵向
1
Reference line in a graph
2
Collection of distinct elements
3
Line segment connecting two circle points
4
Parts per hundred
6
Mathematical rule or equation
8
Part of a whole number
10
Part of a circle's circumference