横向
1
Math using letters for unknown values
5
Space between two intersecting lines
6
Number with digits after a point
9
Comparison of two quantities
11
Middle value in an ordered dataset
13
Line segment connecting two circle points
14
Part of a circle's circumference
纵向
2
Single numeral from 0 to 9
3
Mathematical statement of equality
4
Number divisible only by 1 and itself
6
Split into equal parts
7
Total distance around a shape
8
System of ordered marks for measuring
10
Line crossing from corner to corner
12
Proven mathematical statement