If A-3 and a + 1 are opposite to each other, then a=______ ．

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• 1. If A-3 and a + 1 are opposite to each other, then a=______ ．
• 2. If A-3 and a + 1 are opposite to each other, then a=______ ．
• 3. If a and B are opposite to each other, what is a + B + 1
• 4. If A-3 and a + 1 are opposite to each other, then a=______ ．
• 5. Two is a fraction of seven fast
• 6. Given that a + B is equal to two a + B + 1, find the value of ab
• 7. Given that a plus B equals 4, a plus B equals 10, find the value of AB? It is helpful for the responder to give an accurate answer
• 8. Given a + B = 6, what is 1 / 2A ^ 2 + AB + 1 / 2B ^ 2
• 9. If a + B = 8, ab = 5, then a ^ 3-2a ^ 2B ^ 2 + AB ^ 3 is equal to what?
• 10. If AB > 0, then the value of | a | a + | B | B − | ab | AB is equal to______ ．
• 11. A and B / 5 are opposite to each other, and what is the negative reciprocal of a?
• 12. Negative five and positive five are a pair of opposite numbers. What is its practical significance
• 13. Given that a is the opposite number of 5 and B is 2 larger than the opposite number of a, how much larger is a than negative B
• 14. If 1 / 2 of a = negative 5, the opposite number of a is? To? And the number is?
• 15. One minus two plus five and one plus five plus one minus one plus three and four plus four and five plus two and three is equal to?
• 16. One plus minus two plus three plus minus four plus five plus minus six Plus 2011 plus minus 2012 plus 2013 equals
• 17. How much is one plus one plus two plus three plus four plus five plus six plus seven
• 18. What's the difference between minus 1 / 2 plus minus 2 / 3 plus minus 5 / 6?
• 19. How much minus how much is equal to 17 and opposite to each other and sum to 2
• 20. The opposite number of negative a can be expressed as (). The opposite number of negative a is equal to (). Now! 19 PM: I will raise the reward