横向
1
Part of a line with two endpoints
4
Value that does not change
5
Reference line in a graph
7
Math using letters for unknown values
9
Longest side of a right triangle
10
Mathematical statement of equality
纵向
1
System of ordered marks for measuring
2
Comparison of two quantities
3
Steepness of a line
6
Divisible by two
8
Part of a circle's circumference
11
Round shape with all points equidistant