横向
1
Longest side of a right triangle
4
Number divisible only by 1 and itself
5
Part of a whole number
6
Part of a line with two endpoints
7
Number greater than zero
8
Rectangle with four equal sides
纵向
2
Symbol representing unknown value
3
Line crossing from corner to corner
4
Parts per hundred
9
Rectangular array of numbers
10
Reference line in a graph