横向
1
Single numeral from 0 to 9
3
Reference line in a graph
4
Number divisible only by 1 and itself
5
Comparison of two quantities
6
Space between two intersecting lines
7
U-shaped curve of a quadratic function
纵向
1
Split into equal parts
2
Part of a whole number
8
Exact correspondence on both sides
9
Repeated addition
10
Middle value in an ordered dataset
11
Line crossing from corner to corner