横向
1
U-shaped curve of a quadratic function
4
Result of addition
6
Proven mathematical statement
8
Line segment connecting two circle points
10
Rectangle with four equal sides
纵向
1
Total distance around a shape
2
Middle value in an ordered dataset
3
Part of a whole number
5
Value that does not change
7
Mathematical rule or equation
9
Amount of space an object occupies
11
Part of a circle's circumference