横向
1
Collection of distinct elements
3
System of ordered marks for measuring
4
Mathematical rule or equation
5
Sum divided by count
8
Value that does not change
纵向
2
Mathematical statement of equality
3
Result of addition
5
Reference line in a graph
6
Space between two intersecting lines
7
U-shaped curve of a quadratic function
9
Divisible by two
10
Result of multiplication
11
Total distance around a shape
