What are the times, coefficients, number of terms, constant terms

The degree in a monomial refers to the sum of the exponents of letters. For example, the exponent of X & # 178; Y & # 178; is 2 + 2 = 4. The coefficient in a monomial refers to the number factor in a monomial. For example, the coefficient of π x is π, and the degree in a polynomial is the highest in a monomial. For example, 3 + X & # 178; + y is 2. The number of items in a polynomial refers to the number of monomials in a polynomial

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1. Given that a = - XY + YZ + XZ, B = - 2XY + YZ XZ, it is necessary to find the algebraic sum of the following formulas (1) a + B (2) 3a-2b in 100% pairs
2. The square of X - XY + XZ YZ (there are two methods)
3. If x + y = - Z, then the value of (x ^ 2-y ^ 2) + (XZ YZ) is___
4. x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2 =[x(y+z)-y(x-z)]^2 =(xz+yz)^2 =z^2(x+y)^2
5. Can the 11th power of 125 minus the 16th power of 25 minus the 31st power of 5 be divisible by 19?
6. The factorization shows that the 11th power of... 125 - the 16th power of... 25 - the 31st power of... 5 can be divided by 19
7. What are the characteristics of numbers divisible by 11?
8. What are the characteristics of numbers divisible by 7?
9. Numbers divisible by 2,4,8,11
10. What divisible number is 0 24 68 on a bit?
11. Let me ask first, what is the coefficient, what is the number of terms, the number of times, the constant term, how many times, how many terms,
12. A-5a & sup2; B & sup2; + 3AB + 1 is_________ Times________ The highest number of times is___________ The coefficient of the highest order term is__________ The constant term is___________ ．
13. What is the degree of the coefficient of the constant term?
14. What are the coefficients and times of the constant term
15. The constant term in the equation - one third x + 1 = 8 is_____ The coefficient of - three X terms is_____
16. Write out a quadratic trinomial about X, the coefficient of the quadratic term is 2, the constant term is 3, and when x = 1, the value of the polynomial is 6
17. For a binomial trinomial expression containing only the letter A, the coefficients of its quadratic and primary terms are - 1. If the constant term is 2, what is the binomial trinomial expression?
18. A cubic quaternion with only the letter X, the coefficient of the highest order is - 1, the coefficient of the second order and the first order is 1 / 2, - 3 respectively, the constant is 0, write multiple items I will give you wealth
19. If there is a quadratic trinomial about the letter A, the coefficient of the quadratic term is - 2 / 3 and the constant term is - 5, then the quadratic trinomial is
20. A quadratic trinomial with only the letter X, its coefficient of quadratic term is 1, coefficient of primary term is - 2, constant term is 1... Urgent, see the quick return! A quadratic trinomial with only the letter X has a quadratic coefficient of 1, a quadratic coefficient of - 2 and a constant term of 1?