横向
1
Round shape with all points equidistant
5
Three-sided polygon
6
Steepness of a line
7
Closed shape with straight sides
8
Result of multiplication
9
U-shaped curve of a quadratic function
纵向
2
Part of a whole number
3
Number greater than zero
4
Visual representation of data
10
Space between two intersecting lines
11
Repeated addition