横向
1
Rectangular array of numbers
3
Longest side of a right triangle
8
Line touching circle at one point
10
Symbol representing unknown value
11
Middle value in an ordered dataset
13
Visual representation of data
纵向
2
Number less than zero
4
Number divisible only by 1 and itself
5
Parts per hundred
6
Part of a line with two endpoints
7
Three-sided polygon
9
Exact correspondence on both sides
12
Result of multiplication