The document discusses various types of numbers, including natural numbers, whole numbers, integers, and rational numbers. It provides examples of each category, illustrating their definitions and characteristics. Mathematical expressions involving these numbers are also included.

1. 𝑥=√−1

2. − 4)2
=16

3. Natural Numbers
1 2 3 4 5 6 7 8 9 10 …
Whole Numbers
0
Integers
-1, -2, -3,-4…
1
2
, −
3
4
,
5
4
…
Rational Numbers

4. 𝒙
𝒚
10

5. 𝒙
𝒚
(10) ⋅ (2)

6. 𝒙
𝒚
20

7. 𝒙
𝒚
10

8. 𝒙
𝒚
(10) ⋅(−1)

9. 𝒙
𝒚
-10