横向
1
Corner point of a polygon
3
Result of multiplication
5
U-shaped curve of a quadratic function
7
Result of raising a number to an exponent
12
Part of a line with two endpoints
13
Math using letters for unknown values
纵向
1
Amount of space an object occupies
2
Visual representation of data
4
Longest side of a right triangle
6
Rectangular array of numbers
8
Part of a whole number
9
Closed shape with straight sides
10
Symbol representing unknown value
11
Repeated addition