横向
1
Closed shape with straight sides
4
Line touching circle at one point
5
Number that divides evenly into another
7
Mathematical statement of equality
11
Number divisible only by 1 and itself
13
Visual representation of data
纵向
1
Parts per hundred
2
Symbol representing unknown value
3
Sum divided by count
4
Three-sided polygon
6
Repeated addition
8
Rectangular array of numbers
9
Corner point of a polygon
10
Math using letters for unknown values
12
Distance from center to edge of circle