1 / 10 is transformed into 1 / A + 1 / B + 1 / C, where a, B and C are natural numbers and their greatest common divisor is 1
a=11 b=111 c=12210
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- 1. In this paper, 1 / 10 is transformed into a form of 1 / 10 + 1 / 10 + 1 / 10 + 1 / 10, where a, B and C are natural numbers and their greatest common divisor is 1
- 2. If 1 / 2 is changed into the form of 1 / A + 1 / B + 1 / C, where a, B and C are different natural numbers, and their greatest common divisor is 1, there are several filling methods, please list them,
- 3. If the sum of two natural numbers is 50 and their greatest common divisor is 5, then there are () groups of numbers satisfying the condition
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- 6. It is known that the difference between two natural numbers is 2, and the difference between their least common multiple and greatest common divisor is 142
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- 11. 10 / 1 is transformed into a / 1 + B / 1 + C / 1, where a, B and C are natural numbers, and their greatest common divisor is 1. What are a, B and C?
- 12. The product of sum and difference of two natural numbers is 1995. There are eight groups of natural numbers satisfying this condition The product of sum and difference of two natural numbers is 1995. There are eight groups of natural numbers satisfying this condition. Which group of natural numbers has the most difference among the eight groups?
- 13. The product of sum and difference of two numbers is 1995. There are eight groups of natural numbers satisfying this condition. Which group of natural numbers has the most difference among the eight groups
- 14. The product of difference and sum of two natural numbers is 1996. How much is the sum of these two natural numbers?
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- 19. Is the product of 30 continuous natural numbers odd or even?
- 20. The product of four continuous natural numbers is 5040. What are the four natural numbers How many are these numbers? Write the process clearly when solving the equation. Thank you