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The product of two irrational numbers is a rational number.
√3*√3=3
How to judge irrational number and rational number? And the number under the root! By way of example, what are rational and irrational numbers? Also, let's take an example. What's the next big number to drive him out? For example, if the root number is 100, you can take 100 as 10 times 10, and drive it out as 10. I can even see this at a glance. But what I can't see is that the numbers are too big and complicated. If I ca n' t divide them into two, I won't. I' m so confused. This has always been confusing!
The real number of infinite non-cyclic is irrational
Infinite circular decimals are rational because they can be reduced to fractions
A finite decimal is also a rational number
Short cut?
Is similar to the product of prime numbers in elementary school
It's just a product of several squares.
Eg:√1056
Available in √4 4 66=4 66
It's that simple.
A real number that is infinitely uncirculated is an irrational number
Infinite circular decimals are rational because they can be reduced to fractions
Limited decimals are also rational
Short cut?
It's like the product of prime numbers in elementary school.
It's just a product of several squares.
Eg:√1056
Available in √4 4 66=4 66
It's that simple.
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- 1. How to judge whether the score is rational or irrational? Is the Pu'an section hard? Is that a rational number with a score?
- 2. How to judge whether the square root of a number is irrational or rational 123
- 3. You know that root 2 is an irrational number, and irrational numbers are infinite non-recurring decimals, so we can not write all the decimals of root 2, so small The root 2-1 is used to represent the decimal part of the root 2. Do you agree with Xiao Ming's representation? In fact, Xiao Ming's representation is reasonable, because the integer part of root 2 is 1. Subtract this number from its integer part, and the difference is the decimal part. Ask: Given 10+ root 3=x+y, where x is an integer and 0< y <1, find the opposite number of x-y.
- 4. Three times the root number 49 I through the calculator calculation found that it is a finite non-recurring decimal, not irrational number ah! Record the number that the calculator has calculated the root number 49 three times, bring it back in for calculation. Multiply it by the third power and it equals 9. Then isn't the root number 49 three times a rational number? Three times the root number 49 I found by calculator calculation it is a finite non-recurring decimal, not irrational number ah! Record the number that the calculator calculates the root number 49 three times and bring it back in for calculation. Multiply it by the third power and it equals 9. Then isn't the root number 49 three times a rational number?
- 5. We know that root 3 is an irrational number, it is an infinite non-recurring decimal, and 1< root 3<2, we call 1 the integer part of root 3, (Link above) Root 3-1 as decimal part of root 3. Using the above knowledge, can you determine the integer and decimal parts of the following irrational numbers? (1) Root number 10;(2) root number 88
- 6. The following statements are correct:() A. There is no minimum real number B. Rational numbers are finite decimals C. Infinite decimals are irrational numbers D. With roots The following statements are true () A. There is no minimum real number B. The rational number is a finite decimal C. Infinite decimals are irrational D. Numbers with roots are irrational The opposite of (3-√3) is The following statements are correct:() A. There is no minimum real number B. Rational numbers are finite decimals C. Infinite decimals are irrational numbers D. With roots The following statements are true () A. There is no minimum real number B. Rational is a finite decimal C. Infinite decimals are irrational D. Numbers with roots are irrational The opposite of (3-√3) is
- 7. If the value of irrational number a is between 1-5, write two irrational numbers that meet the conditions
- 8. Write two irrational numbers greater than -6 and less than -5
- 9. The irrational numbers with two sums of 1 are:(5 pairs)
- 10. Is there any difference between transcendental number and irrational number? Is π a transcendental number also an irrational number?
- 11. Is this number rational or irrational? Is it a rational number or an irrational number? The calculator repeated the answer several times.
- 12. Explain irrational numbers and give examples
- 13. Prove:√3+√2 is an irrational number.
- 14. How to prove that there are as many rational numbers as natural numbers? Why are irrational numbers more than rational numbers?
- 15. A is rational number x is irrational number prove a+x is irrational number
- 16. Is the sum of a rational number and an irrational number an irrational number? Please certify
- 17. A is a rational number and x is an irrational number. How that a+x is irrational number? A is rational number and x is irrational number. How to prove that a+x is irrational number?
- 18. Is there a rational number or an irrational number in mathematics? According to the concept of rational number, any fraction is rational number. But it is irrational number, it should be irrational number.
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- 20. Given that the square of x minus x minus 1 equals 0, the third power of negative x plus 2x plus 2011