横向
1
Line crossing from corner to corner
2
Collection of distinct elements
4
Exact correspondence on both sides
5
Symbol representing unknown value
7
Round shape with all points equidistant
10
Comparison of two quantities
11
Mathematical rule or equation
纵向
1
Number with digits after a point
2
Rectangle with four equal sides
3
Visual representation of data
6
Number less than zero
8
Part of a whole number
9
Split into equal parts
12
Distance from center to edge of circle