横向
1
Exact correspondence on both sides
3
Three-sided polygon
5
Part of a line with two endpoints
7
Math using letters for unknown values
8
Total distance around a shape
9
Symbol representing unknown value
纵向
1
Rectangle with four equal sides
2
Visual representation of data
3
Line touching circle at one point
4
Mathematical rule or equation
5
Collection of distinct elements
6
Number with digits after a point
10
Divisible by two