横向
1
Visual representation of data
3
Lines that never intersect
6
Distance from center to edge of circle
8
Middle value in an ordered dataset
9
U-shaped curve of a quadratic function
10
System of ordered marks for measuring
11
Comparison of two quantities
纵向
2
Mathematical statement of equality
4
Proven mathematical statement
5
Symbol representing unknown value
7
Line crossing from corner to corner