横向
1
Single numeral from 0 to 9
3
Result of raising a number to an exponent
5
Divisible by two
6
Longest side of a right triangle
8
U-shaped curve of a quadratic function
纵向
2
Visual representation of data
4
Number less than zero
7
Exact correspondence on both sides
9
Collection of distinct elements
10
Line crossing from corner to corner