横向
1
Result of multiplication
2
Result of addition
5
Symbol representing unknown value
6
Number with digits after a point
7
Amount of space an object occupies
9
Visual representation of data
10
Part of a circle's circumference
13
Value that does not change
14
Line touching circle at one point
纵向
2
Part of a line with two endpoints
3
Middle value in an ordered dataset
4
Part of a whole number
8
Number that divides evenly into another
11
Math using letters for unknown values
12
The number representing nothing