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
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- 1. 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 ()
- 2. The sum of not even numbers within 10 is______ The prime number that is not odd is______ .
- 3. 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
- 4. 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
- 5. 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
- 6. What is an item? What is the number of items? What is a similar item?
- 7. Can 1.8A and 1.2A be multiplied? Or, can similar terms be multiplied
- 8. 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?
- 9. May I ask the general expression and number of terms of bivariate polynomials of higher degree The bivariate polynomial is Z = A0 + A1 * x + A2 * y, and there are three terms; The bivariate quadratic polynomial is Z = A0 + A1 * x + A2 * y + a3 * x * x + A4 * x * y + A5 * y * y, with 6 terms; So if it is a binary m-degree polynomial, how to express it? What is the total number of terms?
- 10. The complex z = 3 + AI and | Z-2 are known|
- 11. 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,
- 12. Natural numbers consist of. A. odd and even numbers B. Prime number and composite number
- 13. The product of the smallest natural number, the smallest prime number and the smallest composite number is ()
- 14. 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 ()
- 15. The product of the sum of the smallest prime number and the smallest composite number multiplied by the smallest natural number is______ .
- 16. What is the smallest number that is both prime and odd______ .
- 17. Determine whether the 75th power + 1 of 8 is prime or composite
- 18. Is the 67th power of 2 minus 1 prime?
- 19. Is the 67th power of 2 minus 1 prime or sum?
- 20. Is the 67th power of 2 minus 1 prime I want to know the answer