横向
1
Number divisible only by 1 and itself
4
Visual representation of data
5
Round shape with all points equidistant
6
U-shaped curve of a quadratic function
9
Corner point of a polygon
12
Collection of distinct elements
13
Line touching circle at one point
纵向
2
Sum divided by count
3
Split into equal parts
7
Math using letters for unknown values
8
Mathematical statement of equality
10
Part of a circle's circumference
11
Rectangle with four equal sides
14
Parts per hundred