横向
1
Closed shape with straight sides
4
Mathematical rule or equation
5
Line touching circle at one point
6
Number less than zero
7
Rectangular array of numbers
8
Three-sided polygon
纵向
2
Math using letters for unknown values
3
Repeated addition
4
Part of a whole number
9
Part of a circle's circumference
10
Proven mathematical statement
11
Visual representation of data