Does the natural number include negative numbers and decimals?

Natural numbers include 0 and positive integers, excluding negative and decimal numbers

Relationship between complex set Z, real set R, rational set Q, integer set Z and natural set N? Tell me what you know

Integer set Z, natural number set N, rational number Q and real number R all belong to complex number Z.
In which integer set Z, natural number set N and rational number Q all belong to real number R.

RELATED INFORMATIONS

1. Write five rational numbers, three of which are nonnegative numbers, two of which are positive numbers, and only three of which are integers.
2. Why: If the absolute value of a =-2, then the rational number a is negative and zero is not negative after all negative absolute values are reduced? Why: If the absolute value of a =-a, then the rational number a is negative and zero is not negative after all negative absolute values are reduced?
3. Definition of irrational number and rational number in junior middle school mathematics Is 0 an irrational number or a rational number Definition of irrational number and rational number in junior middle school mathematics 0 Is an irrational number or a rational number
4. A rational number is only a finite number B irrational number is an infinite number C. An infinite number is an irrational number D. A number with a root is an irrational number
5. The following statements are wrong () A. A finite number is a rational number B. Infinite decimals are irrational C. Positive numbers include positive rational numbers and positive irrational numbers D. Negative numbers include rational and irrational The following statements are incorrect () A. A finite number is a rational number B. Infinite decimals are irrational C. Positive numbers include positive rational numbers and positive irrational numbers D. Negative numbers include rational numbers and negative irrational numbers The following statements are wrong () A. A finite number is a rational number B. Infinite decimals are irrational C. Positive numbers include positive rational numbers and positive irrational numbers D. Negative numbers include rational numbers and negative irrational numbers
6. What is a rational number? What is an irrational number? Definition! What else is a natural number? What is an integer? What is a score? To define!
7. Rational irrational definition
8. If ab is not equal to 0, find the absolute value of a + b
9. If the absolute value a divided by a plus the absolute value b divided by b equals 0, then the absolute value ab divided by ab equals?
10. Ab is not equal to 0, then the absolute value of a divided by a plus b divided by b is equal to?
11. Is zero a natural number and the smallest natural number is zero? Is there a reason? Can rational numbers be divided into positive and negative numbers? 3:25 Is a small number. Is that a logical number? Zero is a natural number and the smallest natural number is zero, right? Is there a reason? Can rational numbers be divided into positive and negative numbers? 3:25 Is a count. Is that a count?
12. It is proved that rational number multiplied by irrational number is still irrational number. E.g. It is proved that rational number multiplied by irrational number is still irrational number. Such as a question
13. If ab is not equal to 0, what is the absolute value of a + b + ab?
14. A, b are non-zero rational numbers, find the absolute value a of a, add the absolute value b of b, add the absolute value ab of ab A, b are all non-zero rational numbers, find the absolute value a of a, add the absolute value b of b, add the absolute value ab of ab
15. What is the 101st power of (-2)?
16. It is known that the absolute value of a is 8, the absolute value of b is 2, and the absolute value of a minus b is equal to the value of b minus a for a and b
17. The absolute value of any rational number is positive Is it all positive?
18. 1+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+
19. A rational number is multiplied by its opposite number, and the product is () A. Positive number B. Negative numbers C. Positive or 0 D. Negative or 0
20. What do you mean by percentage and percentage? Can you understand the same meaning?