横向
1
Round shape with all points equidistant
4
Visual representation of data
5
Mathematical statement of equality
6
The number representing nothing
7
Amount of space an object occupies
纵向
2
Total distance around a shape
3
Proven mathematical statement
8
Part of a circle's circumference
9
Symbol representing unknown value
10
Difference between highest and lowest values
11
Result of raising a number to an exponent
12
Math using letters for unknown values