横向
1
Repeated addition
4
Distance from center to edge of circle
5
Part of a line with two endpoints
7
Result of raising a number to an exponent
8
Mathematical statement of equality
纵向
2
Result of multiplication
3
Number with digits after a point
6
Line touching circle at one point
9
Divisible by two
10
Math using letters for unknown values
11
The number representing nothing
12
Space between two intersecting lines