横向
1
Number with digits after a point
4
Collection of distinct elements
7
Space between two intersecting lines
8
Visual representation of data
9
Part of a circle's circumference
10
Proven mathematical statement
12
Number less than zero
纵向
2
U-shaped curve of a quadratic function
3
Result of multiplication
5
Symbol representing unknown value
6
Number greater than zero
11
Rectangle with four equal sides