At 1, 2, 3 Of the 2000 natural numbers, there are______ Natural numbers can be divisible by 2 and 3 at the same time, and cannot be divisible by 5

The number that can be divisible by 2 and 3 at the same time, that is, the number that can be divisible by 6 is 1, 2, 3 There are 6, 12, 18, 24 Let there be n such numbers, then: 1998 = 6 + (n-1) × 6, n = 333. So there are 333 numbers divisible by 2 and 3 at the same time

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1. At 1, 2, 3 Of the 2000 natural numbers, there are______ Natural numbers can be divisible by 2 and 3 at the same time, and cannot be divisible by 5
2. The sum of all natural numbers less than 300 divisible by 3 but not multiples of 5 is ()
3. In natural numbers less than 5000, the number that can be divided by 11 but not by 5 and 7 is ()
4. Given that the integer 5a6a7a8a9a can be divided by 11, find all integers satisfying this condition
5. Characteristics of numbers divisible by 11
6. What are the characteristics of numbers divisible by 11
7. If the difference between the sum of odd and even digits of a number can be divided by 11, then the number can be divided by 11
8. How does this theorem come about? If the difference between the sum of odd and even digits of an integer is divided by 11? How does this theorem come from? If the difference between the sum of odd and even digits of an integer is divided by 11?
9. The characteristic of a number divisible by 11 is to add up the odd digit and the even digit of a number from the right to the left, and then find the difference between them, The characteristic of Qi and its proof
10. Who can tell me the characteristics of numbers divisible by 4,8,25125 The language should be concise
11. How many natural numbers within 1000 can't be divisible by 3, 5 and 8
12. Find the sum of all natural numbers that are divisible by 3 but not multiples of 5 within 1000?
13. Among the 1000 natural numbers from 1 to 1000, how many are divisible by 3 or 2? I think the meaning of "3 or 2" in this question is: among the 1000 natural numbers from 1 to 1000, can be 3
14. Calculate the power of - 1 to the power of - 2005, the power of - 3 to the power of - 1, the power of - 2 to the power of - 2 + (- 3 / 4) to the power of 0
15. The result of calculating (2 - √ 3) - 1 power - (√ 2-1) 0 power is
16. (#) negative 1 power - 3 Tan 30 ° + 1-row 0 power + root 12
17. If the cubic power of the square B of - A is greater than 0, then B () 0 If the cubic power of the square of (- a) multiplied by B is greater than 0, then B () 0
18. The third power of 4 + the second power of 3 is greater than 2 × 4 × 3. What conclusion can we draw from this
19. If f [10x power] = x, then f [5] is equal to the step of solving the problem
20. What is the 2 / 3 power of the formula x ^ 3 / 6 + O (x ^ 3),