横向
1
Part of a circle's circumference
3
Split into equal parts
4
Number less than zero
5
Part of a whole number
8
Exact correspondence on both sides
11
Space between two intersecting lines
12
Result of raising a number to an exponent
纵向
2
Mathematical statement of equality
6
Math using letters for unknown values
7
Single numeral from 0 to 9
9
Line segment connecting two circle points
10
Round shape with all points equidistant