横向
1
Round shape with all points equidistant
4
Symbol representing unknown value
5
Part of a line with two endpoints
6
Line touching circle at one point
10
Number that divides evenly into another
纵向
2
Difference between highest and lowest values
3
Collection of distinct elements
7
Mathematical statement of equality
8
Space between two intersecting lines
9
Comparison of two quantities
11
Rectangle with four equal sides