横向
1
Number less than zero
5
Closed shape with straight sides
7
Result of addition
9
Number divisible only by 1 and itself
纵向
2
Line touching circle at one point
3
Single numeral from 0 to 9
4
Number with digits after a point
6
Longest side of a right triangle
8
Part of a whole number
10
Symbol representing unknown value
11
Three-sided polygon