横向
1
Closed shape with straight sides
5
Value that does not change
7
Repeated addition
纵向
1
Result of multiplication
2
Divisible by two
3
Math using letters for unknown values
4
Number less than zero
6
Result of addition
8
Part of a whole number
Closed shape with straight sides
Value that does not change
Repeated addition
Result of multiplication
Divisible by two
Math using letters for unknown values
Number less than zero
Result of addition
Part of a whole number