横向
1
Result of addition
3
Single numeral from 0 to 9
4
Parts per hundred
6
Number less than zero
纵向
2
Mathematical statement of equality
5
Rectangle with four equal sides
7
Divisible by two
8
Collection of distinct elements
Result of addition
Single numeral from 0 to 9
Parts per hundred
Number less than zero
Mathematical statement of equality
Rectangle with four equal sides
Divisible by two
Collection of distinct elements