横向
1
Three-sided polygon
5
Single numeral from 0 to 9
6
The number representing nothing
7
Rectangular array of numbers
9
Number with digits after a point
纵向
2
Part of a circle's circumference
3
Closed shape with straight sides
4
Number greater than zero
7
Middle value in an ordered dataset
8
Amount of space an object occupies
10
Number that divides evenly into another
11
Reference line in a graph