横向
1
Exact correspondence on both sides
3
Result of multiplication
6
Total distance around a shape
8
Single numeral from 0 to 9
纵向
2
Math using letters for unknown values
3
Result of raising a number to an exponent
4
Rectangular array of numbers
5
Reference line in a graph
7
Amount of space an object occupies
9
Number that divides evenly into another