横向
1
Divisible by two
2
Total distance around a shape
4
Line crossing from corner to corner
5
Mathematical rule or equation
9
Power to which a number is raised
纵向
2
Lines that never intersect
3
Three-sided polygon
6
Parts per hundred
7
Result of addition
8
Collection of distinct elements
10
Closed shape with straight sides
11
Part of a line with two endpoints
12
Distance from center to edge of circle