横向
1
Amount of space an object occupies
5
Number with digits after a point
7
Number greater than zero
8
U-shaped curve of a quadratic function
9
Power to which a number is raised
11
Part of a line with two endpoints
纵向
2
Math using letters for unknown values
3
Middle value in an ordered dataset
4
System of ordered marks for measuring
6
Number less than zero
10
Total distance around a shape
11
Result of addition
12
Distance from center to edge of circle