横向
1
Number with digits after a point
6
Part of a line with two endpoints
7
Longest side of a right triangle
8
Number that divides evenly into another
9
Math using letters for unknown values
10
Comparison of two quantities
11
Three-sided polygon
13
Number divisible only by 1 and itself
纵向
1
Line crossing from corner to corner
2
Value that does not change
3
Rectangular array of numbers
4
Number greater than zero
5
Steepness of a line
12
Part of a whole number