横向
1
Steepness of a line
3
Space between two intersecting lines
4
Middle value in an ordered dataset
6
Result of raising a number to an exponent
9
Number greater than zero
11
Corner point of a polygon
纵向
2
Amount of space an object occupies
3
Math using letters for unknown values
5
Split into equal parts
7
Line segment connecting two circle points
8
Line crossing from corner to corner
10
Parts per hundred