If a is less than 0 and the absolute value of a is greater than that of B, then A-B is equal to?

Is the value or symbol required

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1. When the absolute value of a + B is equal to the absolute value of a - the absolute value of B, what rational numbers should a and B be
2. The rational numbers a, B, C are not 0, and a + B + C = 0, let x = B + C the absolute value of a + C + a the absolute value of B + A + B the absolute value of C Find the value of the 19th power - 99x + 2004 of the algebraic formula x
3. What is the sum of all rational numbers whose absolute value is not greater than 3.14
4. It is known that AB is a rational number and its position on the number axis is shown in the figure ______________________ → b 0 a Simplification: B-A + A-B + A + B
5. AB is two points on the number axis, and the rational numbers corresponding to AB on the number axis are - 3 and - 5 respectively When point P moves on line ob, M is the midpoint of PA and N is the midpoint of ob. Find out the quantitative relationship among line Mn, OP and ab
6. The positions of rational numbers a and B on the number axis are shown in the figure —a— -1——0—b— 1——》 Find | a + B | + B-A | + ab |
7. The positions of rational numbers a, B and C are shown in the figure, and | a | = | B| Simplify | a | - | a + B | - | - C-A | + | - C-B | + | - AC | - | - 2b| The number axis is ———————— c b 0 a
8. The positions of rational numbers a, B and C on the number axis are known as shown in the figure, which is simplified as follows: | ABC | / ABC + (a + B + C) / | a + B + C | - | BC | / BC - (C-B) / | C-B | - a / | a On the number axis, if a and - 2 B are equal to 1, C is equal to - 1 The above error, a on the number axis wants to be equal to - 4, B is equal to 1, C is equal to - 1, which is only determined by my naked eye, because there is no upload map,
9. Given the position of rational number ABC on the number axis as shown in the figure - c-b-0-a, and | a | = | B |, find the value of a + B and a of B to judge B + C a-c BC AC Given the position of rational number ABC on the number axis as shown in the figure - c-b-0-a, and | a | = | B |, find the value of a + B and a of B to judge the sign of B + C a-c BC AC and a-c of b-c
10. The positions of rational numbers a and BC on the number axis are shown in the figure, simplifying | B-A | + | B + C | - | a-c| _ A___ b______ 0______ c_ →
11. It is known that ABCD is four different rational numbers, AB < 0, A-B > 0, a + B < 0, and B + C = 0, CD = - 1, where (continue) | a | > 1, try to determine the size relationship of ABCD, and show it on the number axis. (number axis or something, write out the numbers, and use - to type out the interval of each number) that.. you should pay a little attention to the format, it's better to segment, otherwise you will have a headache. Thank you (bow)
12. We know four different rational numbers a, B, C and D, and ab is less than 0, A-B is greater than 0, a + B is less than 0, B + C = O, where the absolute value of a is 0
13. Given the lengths of ABC edges of triangle 2a, 5, 3A + 5, find the value range of A
14. Let 2A + 1, a, 2a-1 be the three sides of an obtuse triangle, then the value range of a is? Give me an exact answer It's a high school problem It's not just three sides
15. If the three sides of the triangle are 3, 1-2a and 8, then the value range of a is () A. - 6 ＜ a ＜ - 3B. - 5 ＜ a ＜ - 2C. 2 ＜ a ＜ 5D. A ＜ - 5 or a ＞ - 2
16. The three sides of the triangle are 4, 6 and 2m-1 respectively. The value range of M can be obtained. If M is even, the value of M can be obtained
17. Given that the lengths of the three sides of the triangle ABC are a + 1, 2a-1 and a + 4, then the value range of a is
18. If the lengths of the three sides of the triangle are 4,1-2a and 9, then the value range of a is 0
19. If the lengths of the three sides of the triangle are 4, 1-2a and 7, then the value range of a is 0
20. When x is a rational number, find the value range of X in | x | + 2010 = | x-2010 |