横向
1
Number greater than zero
5
Result of multiplication
7
Three-sided polygon
8
Result of raising a number to an exponent
9
Number divisible only by 1 and itself
10
U-shaped curve of a quadratic function
纵向
2
Longest side of a right triangle
3
Symbol representing unknown value
4
Part of a whole number
5
Closed shape with straight sides
6
Number with digits after a point