横向
1
Number divisible only by 1 and itself
5
Steepness of a line
6
Amount of space an object occupies
7
Repeated addition
8
Number that divides evenly into another
12
Distance from center to edge of circle
纵向
2
Part of a whole number
3
Number greater than zero
4
Rectangular array of numbers
9
Math using letters for unknown values
10
Visual representation of data
11
The number representing nothing