横向
1
Longest side of a right triangle
6
Line segment connecting two circle points
7
Steepness of a line
8
Math using letters for unknown values
9
Result of raising a number to an exponent
纵向
2
Total distance around a shape
3
Result of addition
4
The number representing nothing
5
Space between two intersecting lines
6
Round shape with all points equidistant
10
Line crossing from corner to corner