横向
1
Space between two intersecting lines
3
Comparison of two quantities
5
Repeated addition
6
Part of a whole number
7
Divisible by two
8
Value that does not change
纵向
2
Number less than zero
4
Part of a line with two endpoints
9
Mathematical statement of equality
10
Middle value in an ordered dataset
11
Number with digits after a point
12
Single numeral from 0 to 9