横向
1
Longest side of a right triangle
6
System of ordered marks for measuring
7
Difference between highest and lowest values
8
Symbol representing unknown value
11
Proven mathematical statement
12
U-shaped curve of a quadratic function
纵向
2
Number with digits after a point
3
Corner point of a polygon
4
Distance from center to edge of circle
5
Number greater than zero
9
Value that does not change
10
Visual representation of data
