横向
1
The number representing nothing
3
Rectangular array of numbers
5
Math using letters for unknown values
6
Power to which a number is raised
7
Lines that never intersect
9
Total distance around a shape
纵向
2
Parts per hundred
4
Closed shape with straight sides
8
Rectangle with four equal sides
9
U-shaped curve of a quadratic function
10
Number that divides evenly into another
11
Symbol representing unknown value