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ABC is a natural number that is not zero. If 2 / 5 times a equals B and 1 / 7 equals C, then () is the largest
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- 1. A multiplied by 6 / 7 = B multiplied by 6 / 5 = C multiplied by 1, where ABC is a natural number, and none of them is zero. Let's arrange the three numbers ABC from small to large I know the answer is a is less than C is less than B, but I don't know why,
- 2. ABC is a non-zero natural number, and a multiplied by 5 / 4 equals B multiplied by 3 / 4 equals C multiplied by 3 / 2, then the three numbers of ABC are arranged as ()
- 3. The product of two numbers is 70. One factor is expanded by 100 times, and the other factor is reduced by 10 times______ ．
- 4. It is known that a and B are equal to 280. If a expands three times and B remains unchanged, then the product is (). If B shrinks five times and a remains unchanged, then the product is (). If a expands five times and B also expands five times, then the product is ()
- 5. The product of two factors is 57. One factor is expanded by 8 times, and the other factor is reduced by 8 times. The product is ()
- 6. Multiplication of a natural number by a true fraction () A. The product is greater than the number B. the product is less than the number C. The product is less than or equal to the number
- 7. The product of a number (except 0) multiplied by a true fraction is greater than the number () A. Big B. equal C. small
- 8. It is known that a + B = 380, if a expands three times, then the product is (); if B shrinks one-half, then the product is ()
- 9. It is known that AXB is equal to 380, if a is multiplied by 3, then the product is (); if B is divided by 5, then the product is ()
- 10. It is known that a times b equals 360. If a is expanded three times, the product is 1140. If B is reduced by one fifth, what is the product
- 11. It is known that a multiplied by 6 / 7 equals B multiplied by 6 / 5 equals C, where ABC is a natural number and cannot be zero
- 12. It is known that a × 12 / 12 = 1 and 1 / 2 × B = 8 / 9 × C, and ABC is not equal to zero
- 13. It is known that a × 8 / 7 is equal to B × 8 / 7 is equal to 2 / 2 × C ABC is not equal to 0. Please arrange ABC in order
- 14. A times 5 / 4 = B times 7 / 8 = C times 18 / 18, and a, B, C are not equal to zero, put a, B, C in the order from small to large
- 15. 1. A times 4 / 3 = 12 / 11 times b = 15 / 15 times C, and ABC is not equal to 0 The sum of the reciprocal of three prime numbers is 311 / 1001. The three prime numbers are () 3. The difference between the reciprocal of two consecutive odd numbers is 2 / 195, and the two consecutive odd numbers are () 4. A and B are two different natural numbers (both are not zero). The reciprocal of a multiplied by B and then multiplied by B is () Note: numerator / denominator, / is the fractional line
- 16. If ABC is a positive number and a + B + C = 1, find a square + b square + C square greater than or equal to 1 / 3
- 17. 5 and 4 / 9 equals
- 18. 2 / 9 of a number is exactly equal to 2 / 5 of 20. What's the number
- 19. How much is 9 △ 5 and 1 / 4
- 20. How many centimeters is 20 meters