横向
1
Sum divided by count
6
Proven mathematical statement
8
Part of a circle's circumference
11
Symbol representing unknown value
12
Number greater than zero
13
Difference between highest and lowest values
纵向
2
Middle value in an ordered dataset
3
Mathematical statement of equality
4
Part of a whole number
5
System of ordered marks for measuring
7
Number divisible only by 1 and itself
9
Result of raising a number to an exponent
10
Round shape with all points equidistant