横向
1
Sum divided by count
4
Symbol representing unknown value
5
Part of a line with two endpoints
6
Comparison of two quantities
7
Number that divides evenly into another
9
Divisible by two
纵向
2
Number greater than zero
3
Distance from center to edge of circle
4
Corner point of a polygon
7
Part of a whole number
8
System of ordered marks for measuring
10
The number representing nothing
11
Three-sided polygon
12
Middle value in an ordered dataset