横向
1
U-shaped curve of a quadratic function
5
The number representing nothing
7
Amount of space an object occupies
8
Lines that never intersect
9
Comparison of two quantities
10
Distance from center to edge of circle
12
Line segment connecting two circle points
13
Single numeral from 0 to 9
纵向
2
Power to which a number is raised
3
Space between two intersecting lines
4
Part of a whole number
6
Rectangular array of numbers
11
Steepness of a line
14
Total distance around a shape