横向
1
Collection of distinct elements
3
Split into equal parts
7
System of ordered marks for measuring
8
Result of raising a number to an exponent
9
Number greater than zero
10
Number less than zero
12
Corner point of a polygon
纵向
2
Divisible by two
4
Sum divided by count
5
Part of a line with two endpoints
6
Reference line in a graph
11
Symbol representing unknown value
13
Line touching circle at one point