横向
1
Steepness of a line
4
Line segment connecting two circle points
5
Number greater than zero
6
Number divisible only by 1 and itself
7
Symbol representing unknown value
纵向
1
Part of a line with two endpoints
2
Divisible by two
3
Longest side of a right triangle
5
Lines that never intersect
8
Number that divides evenly into another
9
Line touching circle at one point
10
Comparison of two quantities