横向
1
U-shaped curve of a quadratic function
5
Total distance around a shape
7
Part of a line with two endpoints
8
Space between two intersecting lines
9
Mathematical statement of equality
纵向
2
Number less than zero
3
Symbol representing unknown value
4
Rectangle with four equal sides
6
Number that divides evenly into another
10
Longest side of a right triangle
11
Rectangular array of numbers