横向
1
Round shape with all points equidistant
5
Closed shape with straight sides
6
Exact correspondence on both sides
7
Line touching circle at one point
8
U-shaped curve of a quadratic function
13
Part of a whole number
纵向
2
Steepness of a line
3
Number that divides evenly into another
4
Total distance around a shape
6
Collection of distinct elements
9
Power to which a number is raised
10
Longest side of a right triangle
11
Visual representation of data
12
Symbol representing unknown value