Write a binomial with a coefficient of - 1 and only x and y

RELATED INFORMATIONS

• 1. If the coefficient is - 1 / 2 and only contains the letters X and y, the cubic monomials are____ Two, they are_____ ?
• 2. Write a quartic monomial with a coefficient of - 3 and the letters X and y______ (just write one)
• 3. At the same time, they all contain the letters a, B, C, and the coefficient is 1 A. Four B. five C. six D. seven
• 4. How many monomials are there that contain letters a, B, C and the coefficient is 1
• 5. At the same time, they all contain letters a, B, C, and the coefficient is 1 A. 4 B. 12 C. 15 D. 25
• 6. There are four monomials with the letters a, B, C and the coefficient of ± 1
• 7. There are eight monomials with coefficients of 1 and letters a, B, C, D
• 8. If M + 1 square-2 = 1 of equation (m-1) x is a linear equation with one variable, then the value of M is__ When x=____ The values of the algebraic formula x + 2 and 2x-1 are opposite
• 9. Given that the solution of the equation 7x-5m = 2 about X is m, then the value of M is? A. - 1 B.1 C. - 1 / 6 D.1 / 6. Please explain the process of solving the problem
• 10. If the solution X of the equation 7x + 2m = 5 + X satisfies - 1
• 11. The second power of 2n + 1 power y of the monomial - 3 π A is the same as the third power of the sixth power ay of the monomial - 10 / 7
• 12. For the formula - 1.2x times the fourth power of 10, the second power of X, y, the following statement is correct: 1 is not a monomial formula, 2 is a monomial formula, the coefficient is - 1.2 * 410, and the degree is 7 3 is the fourth power of the monomial coefficient of - 1.2 * 10. No reason is given above 4
• 13. It is known that positive integers a and B satisfy that the square of a minus the square of B is equal to 15 And the square of 20092009 minus 20092008 times 20092010 A. B two kinds of commodity price is a yuan, due to market reasons, a commodity price first increase M%, and then increase the price - N% for sale, sold 100 pieces; B commodity price first decrease M%, and then reduce the price - N% for sale, also sold 100 pieces (where M, n are positive integers). If their purchase price each piece is B yuan, which one of the two kinds of commodity sales a, B profit?
• 14. 1512 times a positive integer a to get a square, then what is the minimum value of a Jijij, detailed process
• 15. a. B is a positive integer no more than 20. If B of a is equal to 1 of 18, find the numbers represented by a and B
• 16. A positive integer a is exactly equal to the square of another number B, then a is called a complete square number. For example, 36 = 6, 36 is a complete square number If M = (2008 times 2009) + (3 times 2010) - 3, we prove that M is a complete square ...
• 17. (3 ^ n + 81) is a complete square number. How many positive integers are there?
• 18. There are several positive integers n that make 3 ^ n + 81 a complete square number
• 19. For any positive integer n, what is the greatest common divisor of all numbers in the form of "the third power of N + 3 times of n square + 2 times of n"
• 20. The 17th power of 2 + the 12th power of 17 * 2 + the nth power of 2 is a complete square number. Find all positive integer values of n