横向
1
Round shape with all points equidistant
3
Result of addition
5
Visual representation of data
6
Closed shape with straight sides
9
Result of raising a number to an exponent
10
Math using letters for unknown values
11
Reference line in a graph
12
Repeated addition
13
Value that does not change
纵向
2
Mathematical statement of equality
4
Line segment connecting two circle points
7
Number with digits after a point
8
Line crossing from corner to corner