横向
1
Total distance around a shape
5
Number divisible only by 1 and itself
6
Exact correspondence on both sides
7
Single numeral from 0 to 9
8
Part of a whole number
9
Sum divided by count
12
Math using letters for unknown values
14
Line segment connecting two circle points
纵向
2
Reference line in a graph
3
Mathematical statement of equality
4
Amount of space an object occupies
5
Result of multiplication
10
Three-sided polygon
11
Rectangular array of numbers
13
Difference between highest and lowest values