It is known that x equals 2m plus 1, and Y equals 2m minus 1,

x=2m+1
y=2m-1
x-y=2m+1-（2m-1）=2
So X-Y = 2, y = X-2

RELATED INFORMATIONS

1. The solution of {x + y = m + 2; 4x + 5Y = 6m + 3} is an integer
2. When m is an integer, the value of fraction 6m + 3 / 2m-1 is also an integer
3. Let P: for M belong to [negative one, 1], inequality a square minus 5A minus 3 is greater than or equal to m square plus 8, proposition q, inequality x square plus ax plus 2 Let P: for M belong to [negative one, 1], inequality a square minus 5A minus 3 is greater than or equal to the following sign m square plus 8. Proposition q, inequality x square plus ax plus 2 is less than 0. If P is true proposition and Q is false proposition, the value range of a should be explained in detail
4. If M minus m minus 1 equals 0, n minus n minus 1 equals 0, then cubic m plus cubic n equals 0
5. （2a－3b）*（2b+3a） How much is it,
6. If the degree of monomial - 2 ^ 2XY is m and the number of terms of polynomial - AB ^ 3-2a ^ 2B + 3A ^ 3b is n, then - m ^ n=---------
7. If the difference between 3A ^ 3B ^ n and 5A ^ MB ^ 4 is monomial, M = then n= If the polynomial 9x ^ 3 + 4x-2 and x ^ n-1 are the same polynomial, then n= If a polynomial plus - 2 + x-x ^ 2 yields x ^ 2-1, then the polynomial is
8. It is known that the sum of the monomial 7amb2 and - 13a4bn-1 is a monomial, then M=______ ，n=______ ．
9. It is known that the sum of the monomial 3amb2 and − 23a4bn-1 is a monomial, then - M + n=______ ．
10. If the monomial a ^ 4 B ^ 2N-1 is the same as - 2 / 3A ^ 4 B ^ n + 7, then the value of n is?
11. If M is a rational number, what is the minimum absolute value of M
12. 5. If M can be any rational number, then the minimum value of | m-2 | + 3 is? d..
13. If a, B ∈ R, and 4 ≤ A2 + B2 ≤ 9, then the sum of the maximum and minimum of A2 AB + B2 is______ ．
14. a. B, C, D are positive integers, and a + B = 20, a + C = 24, a + D = 22. Let the maximum value of a + B + C + d be m, and the minimum value be n, then m-n=______ ．
15. Given that a, B ∈ R, and A2 + AB + B2 = 3, let the maximum and minimum of a2-ab + B2 be m, m respectively, then M + M=______ ．
16. It is known that if the rational number satisfies (M + n / 4) ^ 2 + | n ^ 2-4 | = 0, what is the square value of square n of M
17. For any rational number a, find the minimum of the absolute value of - 1 - A + 5 and the maximum of the absolute value of 4-a
18. If a represents a rational number, what is the minimum value of the following formula? (A-1) square-3
19. A. B is a rational number, so what is the minimum value of the square-3 of (a, b)? When taking the minimum value, what is the relationship between a and B
20. If x is a rational number, what are the maximum and minimum values of | X-1 | - | x + 3 |?