横向
1
U-shaped curve of a quadratic function
2
Part of a line with two endpoints
7
Exact correspondence on both sides
9
Corner point of a polygon
10
Longest side of a right triangle
12
Mathematical statement of equality
纵向
1
Lines that never intersect
3
Rectangular array of numbers
4
Result of addition
5
Result of raising a number to an exponent
6
Line touching circle at one point
8
Amount of space an object occupies
11
Reference line in a graph