横向
1
Three-sided polygon
5
Proven mathematical statement
6
Part of a circle's circumference
7
Result of multiplication
9
Math using letters for unknown values
10
Number with digits after a point
纵向
1
Line touching circle at one point
2
Space between two intersecting lines
3
Mathematical statement of equality
4
Exact correspondence on both sides
8
Number that divides evenly into another
11
Longest side of a right triangle