横向
1
Round shape with all points equidistant
3
U-shaped curve of a quadratic function
4
Reference line in a graph
6
Math using letters for unknown values
7
Collection of distinct elements
纵向
1
Line segment connecting two circle points
2
Exact correspondence on both sides
3
Result of raising a number to an exponent
5
Line touching circle at one point
8
Total distance around a shape
9
Three-sided polygon
10
Number with digits after a point