横向
1
Sum divided by count
4
Result of addition
5
Steepness of a line
6
Middle value in an ordered dataset
7
Result of raising a number to an exponent
8
Reference line in a graph
9
Part of a circle's circumference
纵向
2
Line crossing from corner to corner
3
Line segment connecting two circle points
4
Rectangle with four equal sides
7
Number divisible only by 1 and itself