横向
1
Part of a whole number
6
Mathematical rule or equation
7
Divisible by two
8
Repeated addition
9
Comparison of two quantities
10
Sum divided by count
11
Number that divides evenly into another
12
Visual representation of data
纵向
2
Math using letters for unknown values
3
Proven mathematical statement
4
Line touching circle at one point
5
Part of a circle's circumference