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Which of the following are rational numbers? Which are irrational numbers? 3.11 -2/3 0.23[23 Is cyclic ]4.969696.[ ellipsis ]π0 2.351355135551.[ Ellipsis ](number of 5 between 3 and 1 plus 1)
Rational number (integer, finite decimal, infinite cyclic decimal)0:3.11,-2/3,0.23[23 is cyclic ],0
Irrational numbers (infinite non-recurring decimals):4.969696.[ ellipsis ],π,2.351355135551.[ ellipsis ](the number of 5 between 3 and 1 plus 1)
In the following numbers, the number of irrational numbers is () π,-√4,√25/9,3.14159,1/6,-√3,3.131131131…… ,3.131331333133331…… 2. Two of the following groups are of the same kind () 1Mn^2 and -3n^2m2πa^b and 1/3a^b3 2^3 and 3^2 4x^2 and a^2 3. If two numbers are opposite, then their absolute values are equal, right or wrong 4. If xyz <0, the value of |x|/x+|y|/y+|z|/z+|xyz|/yzx is 5. Given |x|=2012,|y|=2013, then x+y has () values.
In the following numbers, the number of irrational numbers is (3)
π,-√4,√25/9,3.14159,1/6,-√3,3.131131131…… ,3.131331333133331……
2. Two of the following groups are of the same kind (123)
1Mn^2 and -3n^2m2πa^b and 1/3a^b3 2^3 and 3^2 4x^2 and a^2
3. If two numbers are opposite, then their absolute values are equal, right or wrong (√)
4. If xyz <0, the value of |x|/x+|y|/y+|z|/z+|xyz|/yzx is (0)
5. Given |x|=2012,|y|=2013, then x+y has (4) values.
RELATED INFORMATIONS
- 1. Positive integer, negative integer, zero, natural number, rational number, irrational number, real number relation?
- 2. What is the concept of natural real rational irrational integer?
- 3. A positive number and negative number are collectively called rational number B infinite decimal number are irrational number C rational number and irrational number are collectively called real number D the sum of two irrational numbers must be irrational number A positive number and negative number are collectively referred to as rational number B infinite decimal number are irrational number C rational number and irrational number are collectively referred to as real number D irrational numbers must be irrational number
- 4. It is true that () A finite decimal is a rational number and infinite decimal is an irrational number B a rational number is either a positive number or a negative number C a none The following statements are true () A Finite decimals are rational, infinite decimals are irrational B A rational number is either positive or negative C An irrational number is either a positive number or a negative number D A real number is either positive or negative It is true that () A finite decimal is a rational number and infinite decimal is an irrational number B a rational number is either a positive number or a negative number C a none The following statements are true () A Finite decimals are rational, infinite decimals are irrational B A rational number is either positive or negative C An irrational number is either a positive number or a negative number D A real number is either a positive number or a negative number
- 5. Calculate the value of (3+1)(3 square+1)(3 fourth power +1)...(3 thirty second power +1)- the value of the sixty-fourth power of three-thirds. Calculate the value of (3+1)(3sq+1)(3quadratic+1)...(332+1)-the value of the sixty-fourth power of three-thirds.
- 6. Calculate the value of s=1+4+4 square+4 third power +4 fourth power +.+4 20th power, fast! Don't do it in an equivalent series. I' m in seventh grade. Okay.
- 7. Reading material: find the third power of the square +2 of 1+2+2+…… +2 To the 2013 power. Find the third power of the square+2 of 1+2+2+…… +2 To the 2013 power. Let S=1+2+2^2+2^3+…… +2^2013, Then 2S =2*(1+2+2^2+2^3+…… +2^2013)=2+2^2+2^3+…… +2^2013+2^2014 Find the third power of the square+2 of 2S-S=______s=______2+2+…… 2013 Power =________ of 2 Calculation: (1) The third power of the square +2 of 1+2+2+…… +2 To the 10th power; (2) The cubic +…… of the square of 1+3+3+3 +3 To the nth power.
- 8. Calculation (-2)2012 power +(-2)2013 power What was the result? By the way, we need to add process ······ Calculation (-2)2012 power +(-2)2013 power What is the result? By the way, we need to add process ······
- 9. 1/4 Of the 2012 power by 4 of the 2013 power -0.125 of the 2013 power by 2 of the 2013 power by 3
- 10. It is calculated by simple method:(1)、1/4 of four thousand and five times 16 of two thousand and three times (2)8(5χ+3/2)(5/2χ-3/4)
- 11. The absolute value of any rational number a is a () or ().
- 12. What is irrationality? What is the specific concept of irrational numbers? Can you give me an example?
- 13. If the sum of two different irrational numbers is a rational number, then what are the two irrational numbers?
- 14. The Difference Between Rational and irrational numbers The Difference between rational and irrational numbers
- 15. What is a rational number and what is an irrational number What is a rational number what is irrational number
- 16. Is 22 out of 7 irrational? What is the general classification of irrational numbers? You're wrong, it's 22 out of 7, not 7 out of 22, so it shouldn't be 18 cycles Isn't 22 out of 7 unreasonable? What is the general classification of irrational numbers? You're wrong, it's 22 out of 7, not 7 out of 22, so it shouldn't be 18 cycles Was 22 out of 7 unreasonable? What was the general classification of unreasonable numbers? Everyone seemed to be wrong. It was 22 out of 7, not 7 out of 22, so it should not be 18 cycles
- 17. Is 7 out of 22 irrational? Is the cubic root of 3 a rational number?
- 18. Is 3/17 rational or irrational? If it's a rational number, then why is it an infinite non-circulating decimal? If it's not a rational number, then it fits the definition of a rational number?
- 19. 3.14159 Is it rational or irrational?
- 20. One-half, one-third, rational or irrational,0.5?