横向
1
Longest side of a right triangle
7
Result of raising a number to an exponent
8
Symbol representing unknown value
10
Divisible by two
11
Single numeral from 0 to 9
纵向
2
Number greater than zero
3
Number less than zero
4
Proven mathematical statement
5
Value that does not change
6
Corner point of a polygon
9
Visual representation of data
12
Exact correspondence on both sides