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Calculation by simple method 2009*2011-2010 2
0
2011*2009/2010-2009*1/2010 Simple calculation
2011*2009/2010-2009*1/2010
=2009/2010*(2011-1)
=2009/2010*2010
=2009
RELATED INFORMATIONS
- 1. If a is quadratic +a+1=0, try to find the value of a to the 1979 power +a to the 1980 power +a to the 1981 power +.+a to the 2010 power +a to the 2011 power. If the second power of a +a+1=0, try to find the value of the 1979 power of a +a 1980 power +a 1981 power +.+a 2010 power +a 2011 power.
- 2. A+a to the second power +a to the third power +.+a to the 2010 power +a to the 2011 power
- 3. It is suggested that the power of 3 in 2011 minus the power of 2×3 in 2010 plus the power of 10×3 in 2009 can be divided by 13
- 4. The absolute value of a number means that the distance between its corresponding point on the number axis and the origin must be () number, i.e.|a| is greater than or equal to 0; | A |=()(a >0) ()(A equals 0) ()(A is less than 0) The absolute value of a number means that the distance between its corresponding point on the number axis and the origin must be () number, i.e.|a| is greater than or equal to 0; | A |=()(a >0) ()(A equals 0) ()(A less than 0)
- 5. In a rational number, what is the number whose reciprocal is itself? Is there a number whose square is equal to itself? What number is a cube equal to itself? Is there a number whose absolute value is equal to itself?
- 6. The corresponding point of the number a on the number axis is to the left of the origin, and | a |=3, then a =______.
- 7. The absolute value of a number, representing the distance from the origin on the number axis, must be ----. i.e./a/≥0 A detailed explanation of the question helps the respondent give an accurate answer
- 8. Draw the number axis and answer the following questions:(1) How many numbers have an absolute value of 3? What number? (2) What are the numbers of positive integers with absolute values less than 4? (3 ) What numbers are integers with absolute values less than 4?
- 9. The power of (-1/2) in 2012 multiplied by the power of (-2) in 2011 equals?
- 10. The absolute value of a number a is the distance from the point on the number axis representing a to ___, which can be expressed as ___
- 11. Calculated in a simple way: Square of 2011- Square of 2010
- 12. The absolute value of 2(X minus 1) plus 3 plus (X minus Y) to the 2012 power is equal to 0 to find the value of XY The absolute value of 2(X minus 1) plus 3 plus (X minus Y)2012 equals 0 to find the value of XY
- 13. Given that the absolute value of a-1 plus the absolute value of b+2 is equal to 0, obtain the value of (a+b) plus the power of 2012 plus (a+b) plus the power of 2011 plus (a+b)
- 14. (-0.125)2009 Power ×(1/8) negative 2008 power (seeking process)
- 15. Find the last digit of the 2010 power of 3
- 16. The position of rational numbers a, b, c on the number axis is shown in the figure: simplified algebraic formula |a|-|a+b||c-a||b-c| The —|———|——|——|—————— points from left to right are: c,0, a, b The position of rational numbers a, b, c on the number axis is shown in the figure: simplified algebraic formula |a|-|a+b||c-a||b-c| —|———|——|——|—————— Points from left to right are: c,0, a, b
- 17. The rational number abc is shown in the graph. Simplify |c a-c|-|c+b a+b| ___ B _________ c_____0____a _________ Shown |B|>|A|||C|>|A|
- 18. The position of rational numbers a, b, c on the number axis is shown in the figure.
- 19. The position of rational number a b c on the number axis is shown in the figure: ——B——a——-1——0——c—1 (1) Compare the sizes of |a|, b, c (use < connection) (2) If m=|a+b|-|b-1|-|a-c|, find the value of the power of 2013 of 1-2012*(m+c) (3) If 2=-2, b=-3, c=3/2, and the corresponding points of a, b, c are A, B, C respectively, ask whether there is a point P on the number axis, so that the distance between P and A is 1/3, if so, request the rational number corresponding to point P, if not, explain the reason. The process must be complete and urgent (3) A=-2, b=-3, c=3/2, and the corresponding points of a, c are A, B, respectively. If it exists, request the rational number corresponding to point P. If it does not exist, explain the reason. The process must be complete.
- 20. The position of rational numbers a, b and c on the number axis is as shown in the figure: ba0c [upper number axis] Then after simplifying the algebraic expression |a|-|a+b||c-a||b-c|, the result is A2-a B2a-2b C 2c-a Da I'm sorry that I ran out of money. B a0c [the graph should be like this ][ c farthest from point 0] The position of rational numbers a, b and c on the number axis is as shown in the figure: ba0c [one number axis above] Then after simplifying the algebraic expression |a|-|a+b||c-a||b-c|, the result is A2-a B2a-2b C 2c-a Da I'm sorry that I ran out of money. B a 0 c [graph should be like this ][ c farthest from point 0]