横向
1
Symbol representing unknown value
5
Closed shape with straight sides
6
Result of raising a number to an exponent
7
Total distance around a shape
9
Comparison of two quantities
纵向
2
The number representing nothing
3
Visual representation of data
4
Sum divided by count
5
U-shaped curve of a quadratic function
8
Power to which a number is raised
10
Number that divides evenly into another
11
Line segment connecting two circle points