横向
1
Parts per hundred
4
Sum divided by count
5
Number divisible only by 1 and itself
6
Divisible by two
8
Amount of space an object occupies
9
Visual representation of data
10
Math using letters for unknown values
纵向
1
U-shaped curve of a quadratic function
2
Three-sided polygon
3
Symbol representing unknown value
7
Collection of distinct elements
