横向
1
Rectangle with four equal sides
3
Single numeral from 0 to 9
5
Repeated addition
6
Steepness of a line
8
Mathematical rule or equation
10
Comparison of two quantities
纵向
1
Exact correspondence on both sides
2
Result of multiplication
4
Longest side of a right triangle
7
Round shape with all points equidistant
9
Visual representation of data