横向
1
Number less than zero
6
Number that divides evenly into another
7
Middle value in an ordered dataset
8
Rectangular array of numbers
9
Sum divided by count
14
Divisible by two
15
Math using letters for unknown values
纵向
2
Result of multiplication
3
Mathematical statement of equality
4
Power to which a number is raised
5
Rectangle with four equal sides
10
Reference line in a graph
11
Line segment connecting two circle points
12
Longest side of a right triangle
13
Amount of space an object occupies