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The numerator of a false fraction is 55. After transforming the false fraction into a band fraction, the integer part, numerator and denominator are adjacent natural numbers, and the band fraction is 55______ ．
In the first case, the numerator and denominator of the integral part with fraction are 7, 8 and 9 respectively; in the second case, the numerator and denominator of the integral part with fraction are 6, 7 and 8 respectively
The numerator of a false fraction is 47. After it is transformed into a fraction, the numerator, denominator and integral part are three continuous natural numbers. What is the false fraction?
Don't use equations
We can't use the equation. Of course, we can only use the trial method. We can only try. But we don't try numbly, but we try skillfully. First of all, it's impossible to try the denominator. First of all, it's impossible for 1, and it's impossible for 2, 3, 4. When the denominator is 5, of course, the maximum is 7 and 6 / 5, and the numerator is 41. So we can't do it. When the denominator is 6, we can see the smallest molecule
When a is a natural number (except 0), this expression represents (); when a is a true fraction or a false fraction greater than 1, this expression represents ()
Word or formula?
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- 10. According to the natural number from small to large as the standard order, find the following permutation of reverse order number 25 （3n-1）3 6… （3(n-1））（3n)
- 11. The numerator of a false fraction is 47, which is transformed into three continuous natural numbers with fractions, numerator denominator and integer
- 12. Can other non-zero natural numbers be converted into pseudo fractions with denominators of 1, 2, 3?
- 13. 8 / X (x is a non-zero natural number), which is a true fraction; when x is (), it is the smallest false fraction; when x is greater than (), it is a true fraction; when x is greater than (), it is the smallest false fraction; When x is () Yes, it is the smallest composite number
- 14. If we know that seven a is a false fraction and eight a is a true fraction, then a = () (a is a natural number)
- 15. The quotient of a natural number divided by a false fraction is less than the divisor, right Two numbers, no matter what, as long as the product is 1, they must be reciprocal to each other. Right If we say that "the area of corn field is equal to seven ninth of that of wheat field", then "the area of corn field is less than that of wheat field" Two out of nine. Right? Online waiting for the answer, offering a reward of 10 points
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- 18. Let 1, 2, 3 It is known that the last 13 digits of the product are all exactly 0. May I ask: what is the minimum natural number that appears at the end of multiplication?
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