横向
1
Middle value in an ordered dataset
4
Number that divides evenly into another
5
Number greater than zero
6
Result of raising a number to an exponent
7
Sum divided by count
9
System of ordered marks for measuring
10
Collection of distinct elements
12
The number representing nothing
纵向
2
Line segment connecting two circle points
3
U-shaped curve of a quadratic function
5
Parts per hundred
8
Mathematical statement of equality
11
Total distance around a shape