横向
1
Part of a circle's circumference
3
Mathematical statement of equality
4
Number divisible only by 1 and itself
5
Number that divides evenly into another
7
Line segment connecting two circle points
9
Sum divided by count
纵向
2
Distance from center to edge of circle
3
Divisible by two
4
Parts per hundred
6
Line crossing from corner to corner
8
Comparison of two quantities