横向
1
Parts per hundred
5
Closed shape with straight sides
7
Difference between highest and lowest values
8
Repeated addition
9
The number representing nothing
11
Reference line in a graph
纵向
2
Longest side of a right triangle
3
U-shaped curve of a quadratic function
4
Math using letters for unknown values
5
Result of multiplication
6
Number that divides evenly into another
10
Collection of distinct elements
12
Rectangle with four equal sides