横向
1
Longest side of a right triangle
3
Number that divides evenly into another
5
Amount of space an object occupies
7
Symbol representing unknown value
8
Number divisible only by 1 and itself
9
Number with digits after a point
10
Math using letters for unknown values
11
Visual representation of data
纵向
2
The number representing nothing
3
Part of a whole number
4
Number less than zero
6
Result of raising a number to an exponent