横向
1
Result of addition
3
Divisible by two
4
Visual representation of data
7
Comparison of two quantities
纵向
2
Proven mathematical statement
5
Middle value in an ordered dataset
6
Value that does not change
8
Math using letters for unknown values
Result of addition
Divisible by two
Visual representation of data
Comparison of two quantities
Proven mathematical statement
Middle value in an ordered dataset
Value that does not change
Math using letters for unknown values