横向
1
Distance from center to edge of circle
5
Three-sided polygon
6
Part of a circle's circumference
8
Repeated addition
12
Number greater than zero
纵向
2
Number divisible only by 1 and itself
3
Total distance around a shape
4
Longest side of a right triangle
7
Number with digits after a point
9
Part of a line with two endpoints
10
Split into equal parts
11
Single numeral from 0 to 9