横向
1
Divisible by two
5
Collection of distinct elements
6
Number greater than zero
8
Number less than zero
9
U-shaped curve of a quadratic function
纵向
2
Steepness of a line
3
Power to which a number is raised
4
Middle value in an ordered dataset
7
Number divisible only by 1 and itself
10
Number that divides evenly into another
11
Math using letters for unknown values