横向
1
Number with digits after a point
5
Divisible by two
6
Result of raising a number to an exponent
7
U-shaped curve of a quadratic function
纵向
2
Space between two intersecting lines
3
Mathematical statement of equality
4
Sum divided by count
8
Number greater than zero
9
Result of multiplication
10
Rectangle with four equal sides
11
Steepness of a line