横向
1
Repeated addition
4
Mathematical statement of equality
6
Number that divides evenly into another
7
Result of addition
9
Lines that never intersect
10
Difference between highest and lowest values
11
Closed shape with straight sides
12
Proven mathematical statement
纵向
2
Corner point of a polygon
3
Longest side of a right triangle
5
Number greater than zero
8
Result of raising a number to an exponent