横向
1
Three-sided polygon
4
Part of a circle's circumference
6
Steepness of a line
7
Mathematical rule or equation
8
Rectangular array of numbers
纵向
2
Middle value in an ordered dataset
3
Value that does not change
5
U-shaped curve of a quadratic function
7
Part of a whole number
9
System of ordered marks for measuring
10
Corner point of a polygon
11
Number less than zero