横向
1
Line touching circle at one point
5
Visual representation of data
6
Part of a whole number
7
Longest side of a right triangle
8
Number with digits after a point
12
U-shaped curve of a quadratic function
纵向
2
Lines that never intersect
3
Number less than zero
4
Closed shape with straight sides
9
Exact correspondence on both sides
10
Number greater than zero
11
Part of a circle's circumference
13
Space between two intersecting lines