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Remove absolute value, how to change the sign before absolute value Like -|-X-2|, do you want to change the front negative? What's going on in there?
-|- X-2|=-|X+2|
X >-2
=-X-2
X≤-2
=X+2
Ab <0, a+b <0, then the sign of ab is a positive-negative and the absolute value of negative number is greater than the absolute value of positive number This is a question of variation and knowledge Ab <0, a+b <0, then the sign of ab is a positive-negative and the absolute value of negative number is greater than the absolute value of positive number The problem is to change and knowledge points
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RELATED INFORMATIONS
- 1. Rational number of solution:(2012 power of -1/5)*(2013 power of -5)+2=_____.
- 2. When a is a positive number (i.e., a >0), the absolute value of a equals () when a is a negative number (i.e., a <0), the absolute value of a equals () when a=0, the When a is a positive number (i.e., a >0), the absolute value of a equals () When a is negative (i.e., a <0), the absolute value of a equals () When a =0, the absolute value of a equals () When a is a positive number (i.e., a >0), the absolute value of a equals () when a is a negative number (i.e., a <0), the absolute value of a equals () when a=0, the When a is a positive number (i.e. a >0), the absolute value of a equals () When a is negative (i.e., a <0), the absolute value of a equals () When a =0, the absolute value of a equals ()
- 3. Two negative numbers,_______ with a high absolute value And the biggest negative integer is ___________ All non-negative integers with absolute value not greater than 3.15 are _________ A _______ with two negative numbers and a large absolute value And the biggest negative integer is ___________ All non-negative integers with absolute value not greater than 3.15 are _________
- 4. Two numbers are negative, but the absolute value of the problem is small, what is the conclusion
- 5. Ab is a rational number, the absolute value of a is 0, try to compare the size of a and b
- 6. The absolute values of nonzero rational numbers a.b, a > b, a And talk about it.
- 7. If a, b are rational numbers, a <0,b>0, the absolute value of a > the absolute value of b, then the size relationship of a, b,-a,-b is () If a, b is a rational number, a <0,b>0, the absolute value of a > the absolute value of b, then the size relationship of a, b,-a,-b is ()
- 8. A positive offload is equal to a positive number plus a negative absolute value. Can you give me an example? What do you mean, absolute value, minus sign addition? Signed number. When using negative number as parameter to apply for memory, the system will ignore it. Positive offload is equal to positive plus negative absolute value. That is to remove the negative sign of the two numbers add! Can you give me an example? What do you mean, absolute value, minus sign addition? Signed number. When a negative number is used as a parameter to request memory, the system will ignore it.
- 9. How to remove the absolute value symbol with unknowns? For example, what form should |A+B|-|A-B| take? That is to say, if there is a problem in this form, between the two absolute values is a minus sign, what form should the following |A-B| take out the absolute value sign? What if it's a plus sign? Please use numbers, do not use words to answer this question, like: add a negative sign in front of what not! Just sign it -- uh... How to say, is for example the first situation, step by step how to simplify all written up!
- 10. If b is a positive number and c is a negative number, then -{ b-c} how to remove the absolute sign and why
- 11. Absolute value of positive,0, negative number What is their absolute value?
- 12. If the absolute value of a is greater than a, can it be a positive number? Could it be 0? Could it be negative?
- 13. The absolute value of a equals negative a, a is? 1. Positive number 2. Negative number 3. Non-negative number 4. Non-positive number
- 14. Abc is negative, and the absolute value of x-a + the absolute value of y-b =0, then is xyz negative or positive or non-negative or 0? If abc is negative, and the absolute value of x-a + the absolute value of y-b + the absolute value of z-c =0, then is xyz negative or positive or non-negative or 0?
- 15. The absolute value of negative number a and her opposite number is () A.0 B.2a C.-2aD.
- 16. If the absolute value of a number is equal to itself, then the number must be a positive number.
- 17. Let a =-2, b = two-thirds, and c =5.5. Write the absolute value, inverse number, and reciprocal of a, b, and c, respectively
- 18. Given that the absolute value of negative number a is 3 1/2, the opposite number of b is 1 1/2, and the reciprocal of c is 2, try to find the value of a+b of c
- 19. Why is a negative number minus a positive number equal to the sum of the absolute values of two numbers? Why is a negative number minus a positive number equal to the absolute sum of two numbers?
- 20. If the three sides of the triangle ABC are a, b, c, the square b of the cubic-a of the condition a + the square b of the square-ac of the ab + the cubic b of the square-b of the bc =0, find the shape of the triangle ABC