横向
1
Number with digits after a point
4
Number that divides evenly into another
6
Total distance around a shape
7
Corner point of a polygon
8
System of ordered marks for measuring
9
Part of a line with two endpoints
纵向
1
Line crossing from corner to corner
2
Number greater than zero
3
Exact correspondence on both sides
5
U-shaped curve of a quadratic function
10
Value that does not change