横向
1
Result of multiplication
5
Closed shape with straight sides
6
Visual representation of data
7
Math using letters for unknown values
8
Number divisible only by 1 and itself
9
Divisible by two
纵向
2
Number less than zero
3
Difference between highest and lowest values
4
Repeated addition
10
Mathematical rule or equation
11
Part of a circle's circumference
12
Number greater than zero