横向
1
Rectangular array of numbers
4
Number with digits after a point
6
Number that divides evenly into another
7
Number greater than zero
10
Longest side of a right triangle
纵向
2
Math using letters for unknown values
3
Comparison of two quantities
5
Result of addition
8
Part of a line with two endpoints
9
Closed shape with straight sides
11
Line crossing from corner to corner