If a is a rational number, try to compare the sizes of a and 1/a.

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• 1. If A is a rational number, try to compare the sizes of A and 2A Such as title If A is a rational number, try to compare sizes of A and 2A Such as title
• 2. Given that the side lengths of triangles abc are abc and abc satisfies the root number a minus three plus the absolute value of b-4+ c-5, the square of c-5 is equal to 0, try to find the shape of triangle ABC? Given that the side lengths of triangles abc are abc and abc satisfies the root number a minus the absolute value of three plus b-4+ c-5, the square of c-5 is equal to 0, try to find the shape of triangle ABC? Given that the side lengths of triangles abc are abc and abc satisfies the root number a minus three plus the absolute value of b-4+ the square of c-5 is equal to 0, try to find the shape of triangle ABC?
• 3. Write two irrational numbers with a sum of 6______(just write a pair).
• 4. S=1+2 negative first power +2 negative second power +2 negative third power ++2 negative 2005 power, how much is S equal? Understand, Junior Two ~~~~~ Is this a multiplication? S=1+2 negative first power +2 negative second power +2 negative third power ++2 negative 2005 power, how much is S equal? Understand, Junior Two ~~~~~ Excuse me: Is this a multiplication?
• 5. 2005+2005 2Nd power +2005 3rd power +…… What is the power of 2005
• 6. Quadratic addition of (a+1)|b-2011| equals 0, b-th power of 2011-a equals Quadratic addition of (a+1)|b-2011| equals 0, bth power of 2011-a equals
• 7. If the absolute value of the square of (a+1)+(b-2) is 0, find the value of the 2006th power of a +(a+b)2007.
• 8. The reciprocal of the rational number a is one part a.
• 9. If a is a rational number, try to compare the sizes of 1+a and 1-a
• 10. Compare the size of a and a/3(a is a rational number)
• 11. If the rational number a satisfies the absolute value of a =-1, then a is (). A. Positive B. Negative C. Non-positive D. Non-negative
• 12. Excuse me: Given that the two points M and N respectively represent rational numbers a and b on the number axis, you can explain the meaning of |3+6| on the number axis. If the number represented by the point P is x, when the point P is
• 13. 24. It is known that a and b are rational numbers, and the value of a2+b2-2a-4b+8 is positive. 2 After a and b is the square
• 14. When a, b is what value, algebraic expression a2+b2+2a-4b+6 is the smallest value? What is the minimum value?
• 15. Given a, b is a rational number, and a square+b square+5+2a-4b=0, find the value of the square of algebraic expression (a-b)
• 16. If the square of (a +1)+ the square of (b +2)=0, the third power of the 2013 power of a + b =? Square of -(-5)=?
• 17. 1. The square of (a+1)×(1+a)×(a+1) to the fifth power = several? 2. The fifth power of a × the () power of a = the square of a × the fourth power of ()= the 18th power of a
• 18. (5 To the 4th power *3 to the 33rd power -5 to the 3rd power *3 to the square +5 to the square *3)/ process (5 To the 4th power *3 to the 33rd power -5 to the 3rd power *3 to the square +5 to the square *3)/
• 19. Square of a ×4th power of a +5th power of a × a -3rd power of a ×3rd power of a
• 20. If A+1+|a+b+2|=0, find the value of a100+b101.