Among the natural numbers from 1 to 100, the numbers that are multiples of 5 or 7 are______ One
Among the 100 natural numbers from 1 to 100, there are 20 multiples of 5, 14 multiples of 7, 2 multiples of both 5 and 7, so the number of multiples of 5 or 7 is 20 + 14-2 = 32
RELATED INFORMATIONS
- 1. How many ways can 70 be divided into the sum of 11 different natural numbers
- 2. If the sum of three consecutive odd numbers is 45, then the three numbers are______ .
- 3. The sum of three consecutive natural numbers is 45. What are the three natural numbers?
- 4. Observe the following column numbers: 1, 6, 11, 16, 21 (1) Write the expression of its nth number (2) which number is equal to 2006?
- 5. The following numbers were observed: 1.6.11.16.21 How much of it is equal to 2006?
- 6. With 0, 1, 2 three numbers can form a lot of natural numbers, which are arranged from small to large, respectively: 0, 1, 2, 10... Then 2012 is the number one
- 7. A natural number is divided by 3, 4 and 5, the remainder is 2, 3 and 4 respectively, and the sum of the three quotients is 138. What is the natural number?
- 8. Eight natural numbers are arranged in a row. Starting from the third number, each number is equal to the sum of the two numbers before it. It is known that the third number is 18 and the eighth number is 76 As shown in the figure () () 18 () () 76
- 9. Eight natural numbers, starting from the third number, each number is equal to the sum of the first two numbers. Given that the first number is 3 and the eighth number is 180, what is the second number?
- 10. Eight natural numbers are arranged in a row. Starting from the third number, each number is the sum of the two numbers in front of it. Given that the fifth number is 7, then the eighth number is 7______ .
- 11. What is the sum of all natural numbers within 100 that are not multiples of 3?
- 12. The sum of a natural number less than 80 and 3 is a multiple of 5, and the difference from 3 is a multiple of 6. The maximum value of this natural number is
- 13. How many natural numbers can be selected from all the natural numbers from 1 to 1000, and the difference between any two natural numbers is not a multiple of 7 How many natural numbers are selected, and the sum of any two natural numbers is not a multiple of 7?
- 14. Great Xia, help me. The difference between the two natural numbers is 5. The difference between their least common multiple and the greatest common divisor is 203. What are the two numbers
- 15. The product of two natural numbers is 5766, and their greatest common divisor is 31. How to find these two natural numbers? (any method is OK, process is needed!)
- 16. The difference between two natural numbers is 2, and the difference between their least common multiple and greatest common factor is 142?
- 17. The sum of the two numbers is 50, and their greatest common factor is 5. What are the two numbers?
- 18. Natural number a divided by natural number B, the quotient is 10, then the greatest common divisor of a and B is? (multiple choice question) A、a B、b C、10
- 19. Is the multiplication of 2002 consecutive natural numbers odd or even? Is the multiplication of 2002 consecutive natural numbers odd or even? Why?
- 20. There are four students whose ages are just four consecutive natural numbers. The product of their ages is 5040. What is the sum of their ages?