Natural numbers consist of. A. odd and even numbers B. Prime number and composite number
Natural number includes odd number, even number or prime number, composite number and 0, 1
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- 1. According to the number of factors, natural numbers can be divided into () a odd number and even number, B prime number and composite number, C prime number, composite number, 0,1,
- 2. According to the number of divisors, natural numbers can be divided into: (1) prime numbers and composite numbers; (2) odd numbers and even numbers; (3) prime numbers, composite numbers and zero ④ Prime, composite and 1
- 3. The number within 20 is both odd and composite number has () no decimal! The number within 20 is both even and prime number has? In natural numbers 1-20, odd numbers have () even numbers have () prime numbers have () combined numbers have ()
- 4. The sum of not even numbers within 10 is______ The prime number that is not odd is______ .
- 5. A polynomial composed of two monomials is called a binomial. How many terms will be the result of multiplication of two binomials? Write several such products and write the result
- 6. If the product of a linear binomial and (x ^ 2-2x-1) does not contain a linear term, find the linear binomial, and let the linear binomial be x + a
- 7. It is known that the product of a linear binomial and x ^ 2-3x + 1 does not contain a quadratic term. Please write a linear binomial satisfying the condition
- 8. What is an item? What is the number of items? What is a similar item?
- 9. Can 1.8A and 1.2A be multiplied? Or, can similar terms be multiplied
- 10. Several formulas for multiplication of polynomials by polynomials (a+b)(c+d)= (a+b)(c-d)= (a-b)(c+d)= (a-b)(c-d)= How to write these formulas?
- 11. The product of the smallest natural number, the smallest prime number and the smallest composite number is ()
- 12. In the natural number, the product of the smallest prime number and the smallest composite number is (); and the number of even prime number is ()
- 13. The product of the sum of the smallest prime number and the smallest composite number multiplied by the smallest natural number is______ .
- 14. What is the smallest number that is both prime and odd______ .
- 15. Determine whether the 75th power + 1 of 8 is prime or composite
- 16. Is the 67th power of 2 minus 1 prime?
- 17. Is the 67th power of 2 minus 1 prime or sum?
- 18. Is the 67th power of 2 minus 1 prime I want to know the answer
- 19. Is the 76th power of 2 minus 1 prime
- 20. Is the 76th power of 2 minus 1 a prime?