横向
1
Sum divided by count
2
System of ordered marks for measuring
3
Result of multiplication
5
Collection of distinct elements
6
Three-sided polygon
纵向
2
Steepness of a line
4
Line touching circle at one point
7
Exact correspondence on both sides
Sum divided by count
System of ordered marks for measuring
Result of multiplication
Collection of distinct elements
Three-sided polygon
Steepness of a line
Line touching circle at one point
Exact correspondence on both sides