The factor of 18 is______ From which four numbers are selected to form a proportion______ .
The factors of 18 are: 1, 2, 3, 6, 9, 18; 1:2 = 3:6; or 3:9 = 6:18; (the answer is not unique). So the answer is: 1, 2, 3, 6, 9, 18; 1:2 = 3:6
RELATED INFORMATIONS
- 1. The factor of 18 is______ From which four numbers are selected to form a proportion______ .
- 2. The factor of 18 is______ From which four numbers are selected to form a proportion______ .
- 3. Use the four divisors of 18 to form a proportion (write at least 2 zeros) I'm in a hurry
- 4. The factor of 18 is______ From which four numbers are selected to form a proportion______ .
- 5. The divisor of 48 is______ Let's decompose 48. The prime factor is______ .
- 6. Decompose 12 into prime factor () and there are () divisors of 12
- 7. The factor of 24 is______ Four factors are selected to form a ratio, and the largest ratio is______ .
- 8. Four numbers are selected from the divisors of 36______ :______ =______ :______ .
- 9. There is a number, which is not only a divisor of 45, but also a multiple of 45. This number is______ Let's decompose this number. The prime factor is______ .
- 10. The divisor of 24 is______ We decompose 24, and the prime factor is______ .
- 11. The divisor of 7.18 is "and four divisors in the number are selected to form the proportion of" 7.18 "
- 12. A three digit number, which contains the divisor 2, is a multiple of 5, and can be divided by 3. The minimum number is (), and the prime factor is ()
- 13. Two questions: one question: a number is not only a multiple of 21, but also a divisor of 21. What is the number? What is the prime factor when it is decomposed? The second question: a natural number divided by 2, 3, 4, 5, the result is more than 1, how many such numbers? What is the smallest?
- 14. The maximum factor of a number is 36, and the number is______ All of its factors are______ The minimum multiple of this number is______ .
- 15. The minimum multiple of the greatest divisor of a number is 21. This number is 21. If we decompose it into prime factor, it is
- 16. A number is not only a multiple of 24, but also a divisor of 24. The prime factor of decomposition is () fast
- 17. The divisor of 24 is______ We decompose 24, and the prime factor is______ .
- 18. A = 2 × 3 × 5, B = 2 × 5 × 7, the greatest common factor of a and B is______ The least common multiple is______ .
- 19. A = 2 * 3 * a, B = 3 * 5 * B, the greatest common divisor of a and B is 15, and the least common multiple of a and B is?
- 20. The number a is 24, the least common multiple of a and B is 168, the greatest common factor is four, what is the number B?