横向
1
Number divisible only by 1 and itself
4
Space between two intersecting lines
5
Repeated addition
8
Sum divided by count
10
Number less than zero
12
Result of addition
纵向
2
Mathematical rule or equation
3
Steepness of a line
6
Number with digits after a point
7
Power to which a number is raised
9
Proven mathematical statement
11
Round shape with all points equidistant
13
Visual representation of data
14
Line crossing from corner to corner