横向
1
Number greater than zero
4
The number representing nothing
6
Part of a line with two endpoints
7
Amount of space an object occupies
12
Exact correspondence on both sides
13
Number with digits after a point
14
Line segment connecting two circle points
纵向
2
Part of a whole number
3
Result of raising a number to an exponent
5
Rectangular array of numbers
8
Power to which a number is raised
9
Parts per hundred
10
Collection of distinct elements
11
Distance from center to edge of circle