横向
1
Closed shape with straight sides
3
Number with digits after a point
4
Part of a whole number
5
Result of addition
纵向
2
Amount of space an object occupies
3
Single numeral from 0 to 9
4
Number that divides evenly into another
5
Rectangle with four equal sides
6
Reference line in a graph
7
Divisible by two
8
Line touching circle at one point