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If x and y are opposite to each other, then | x + 2011 + y|=______ ．
∵ X and y are opposite numbers, ∵ x + y = 0, ∵ x + 2011 + y | = 2011
RELATED INFORMATIONS
- 1. It is known that a and D are opposite to each other, C and D are reciprocal to each other, and the absolute value of X is equal to 2. Try to find X3 ten (a + B ten CD) X-1 (a + b) It is known that a and D are opposite to each other, C and D are reciprocal to each other, and the absolute value of X is equal to 2 X3 ten (a + B ten CD) x one (a ten b) 2012 ten (one CD) 2011
- 2. 0 less than s less than 10, s less than or equal to x less than or equal to 10 absolute value X-S plus absolute value X-10 plus absolute value x-s-10 Find his minimum
- 3. a. The positions of B, C and the three numbers on the number axis are shown in the figure, simplifying the absolute value of a / A + the absolute value of B / B + the absolute value of C / C B is to the left of 0, a is smaller than B, and C is to the right of 0
- 4. On the number axis, the positions of the points representing a, B and C are shown in the figure. C -- 0 -- a -- B -- simplify the absolute value of A-B plus the absolute value of a-c Value
- 5. The positions of rational numbers m and N on the number axis are: m is a negative number with larger absolute value, n is a positive number with smaller absolute value, M-N =?
- 6. The positions of the corresponding points of rational numbers a and B on the number axis are shown in the figure. Please judge whether | A-B | - | a + B | is positive or negative, and explain the reason
- 7. The positions of rational numbers a, B and C on the number axis are shown in the figure, where the absolute value of a is equal to the absolute value of C. simplify the following formula Absolute value of a in a + absolute value of B in B + absolute value of C in C + absolute value of a - absolute value of C —————————————————————————— B A O I C
- 8. The positions of rational numbers a, B and C on the number axis are shown in the figure, where the absolute value of a is equal to the absolute value of C, and the absolute value of a is divided by the absolute value of a + B Value divided by the absolute value of C + a minus the absolute value of C —————————————————————————— B A O I C
- 9. Let a B C be a nonzero vector w = A / (the absolute value of a) + B / (the absolute value of B) + C / (the absolute value of C), then the value range of the absolute value of W is Let a B C be a nonzero vector w = A / (absolute value of a) + B / (absolute value of B) + C / (absolute value of C) The range of absolute value of W is
- 10. The absolute value of a number is equal to its opposite number. This number will not be () A. negative integer B. negative fraction c.0 D. natural number
- 11. If the fourth power of (x + 2) and the absolute value of 4-y are opposite to each other, then what is the Y power of X?
- 12. If the absolute value of a is equal to four-thirds, can you compare the size of a, negative a, one-third of a, one-third of a?
- 13. If the absolute value of negative x is equal to one sixth, then one sixth of x =?
- 14. For positive numbers x and y, there are the following propositions: x + y = 2, then √ XY ≤ 1, if x + y = 3. Then √ XY ≤ three thirds, if x + y = 6, then √ XY ≤ 3 According to the above three propositions conjecture: 1 if x + y = 9, then √ XY ≤____ For any positive number a, B, there is always √ ab ≤____
- 15. Write the inverse proposition of "if xy = 6, then x = 3 and y = 2", no proposition, inverse no proposition rt And judge right and wrong
- 16. The inverse proposition of the proposition "if xy = 1, then x and y are reciprocal to each other" is______ ．
- 17. If y = x + 1, then y = 3 and x = 2. Find the truth of this proposition and its inverse proposition, no proposition, inverse proposition, x y belongs to Z Last time I asked a question. I'm sorry
- 18. If x = 2, then the inverse proposition of x square - 5, x + 6 = 0 is no proposition, the inverse proposition is no proposition and the truth is judged
- 19. If x = 2, why is the inverse proposition of square - 3x + 2 = 0 false? Please give me a counterexample!
- 20. If proposition x = 3, then x ^ 2-7x + 12 = 0 and the number of its inverse proposition, no proposition, inverse no proposition and false proposition?