横向
1
Lines that never intersect
4
Result of multiplication
5
Collection of distinct elements
7
Round shape with all points equidistant
8
Steepness of a line
10
Amount of space an object occupies
纵向
2
Line crossing from corner to corner
3
Divisible by two
4
Number greater than zero
6
Single numeral from 0 to 9
9
Part of a line with two endpoints