横向
1
Steepness of a line
4
Math using letters for unknown values
5
Sum divided by count
7
Divisible by two
纵向
1
Result of addition
2
Line crossing from corner to corner
3
Difference between highest and lowest values
6
Closed shape with straight sides
8
Line touching circle at one point
9
Comparison of two quantities
10
Proven mathematical statement
