横向
1
Comparison of two quantities
4
Lines that never intersect
5
Collection of distinct elements
6
Rectangle with four equal sides
8
Exact correspondence on both sides
9
Middle value in an ordered dataset
纵向
2
Math using letters for unknown values
3
Value that does not change
5
Result of addition
6
System of ordered marks for measuring
7
Number with digits after a point
10
Line crossing from corner to corner