Given the square of (a + b) + | B + 3 | = B + 3, and | 2a-b-1 | = 0, find the value of a-b

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• 2. Square of (a + 3) - (A-1)
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• 12. Given that a and B are opposite numbers, and | A-B | = 4 / 5, (1) find the value of a-Ab + B / AB ^ 2 + A-B ^ 2A + 1, (2) if | A-B | = B-A, find the value of a-b
• 13. If a equals 2, then a & sup2; equals 2A Is that right
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• 16. We know that x is an integer, and the sum of X-2 / 3 plus 2 / 3 plus the square of x minus 2x + 18 / 9 is an integer
• 17. If we know that x is an integer and 2x + 3 + 23 − x + 2x + 18x2 − 9 is an integer, then x is () A. 2 b. 3 C. 4 d. 5
• 18. The square of 1 = (1 * 2 * 3) / 6; the square of 1 + 2 = (2 * 3 * 5) / 6; the square of 1 + 2 + 3 = (3 * 4 * 7) / 6 Can you express the law with a formula According to your rule, calculate the square of 1 + the square of 2... + the square of 8
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