a. B is a non-zero natural number, which satisfies the following condition (1) 1 / 7 at the same time
From: 1 / 7b or a > b / 7 (1)
By: A / b
RELATED INFORMATIONS
- 1. There are seven different natural numbers, and the difference between at least two numbers is a multiple of six
- 2. A four digit natural number, divided by 3 to 1, divided by 5 to 2, divided by 7 to 3, what is the smallest one of these natural numbers?
- 3. Write five non-zero natural numbers at will, and you can find two numbers, so that the difference between the two numbers is a multiple of 4. Why It should be more detailed and easy to understand
- 4. In any six different non-zero natural numbers, the difference between at least two numbers is a multiple of 5. Why?
- 5. 1 is the factor of any nonzero natural number, and any nonzero natural number is a multiple of 1
- 6. : multiples of all 5 in natural numbers () Multiples of all 5 in natural numbers () A. They're all composite numbers B. they're all even numbers C. they're all odd numbers D. We can't be sure
- 7. Some people say, "in any four natural numbers, the difference between at least two numbers is a multiple of three." is this sentence right? What do you think?
- 8. Starting from 2, continuous even numbers are added. The sum of them is shown in the following table Sum of addends (s) 1 2=1×2 2 2+4+6=2*3 3 2+4+6=12=3*4 4 2+4+6+8=20=4*5 5 2+4+6+8+10=30=5*6 According to the law of the above question: 102 + 104 + 106 + +The value of 2002 (writing process required)
- 9. Starting from 2, add 101 addends, and find the sum of these even numbers
- 10. The sum of three consecutive even numbers is 60. What's the number in the middle
- 11. A is a non-zero natural number. The largest result in the following formula is (). ① a × 0.1 ② a △ 0.1 ③ a + 0.1
- 12. If a is a non-zero natural number, then a > B < C = D should be filled in 0 of a / 18 > A / 25
- 13. A is a non-zero natural number A、1/a÷3<1/3÷a B、1/a÷3=1/3÷a C、1/a÷3>1/3÷a
- 14. In the 100 natural numbers 1-100, the sum of all even numbers is more than the sum of all odd numbers______ .
- 15. If n is used to represent any natural number, then even numbers can be represented by 2n, and odd numbers can be represented by 2n______ Express
- 16. X is an even number, 3x is an odd number, this sentence is right or wrong? Fast, who quickly adopt who
- 17. Odd + odd = (), odd odd = () odd + even = (), odd x even = ()
- 18. Odd + even = () odd + odd = () odd even = () even odd = () odd x odd = () odd x even =( Odd + even = () odd + odd = () Odd even = () even odd = () Odd x odd = () odd x even = ()
- 19. When x takes what value, 2x + 1 is negative even number? 3x-1 is positive odd number?
- 20. In natural numbers less than 20, odd numbers containing prime numbers and composite numbers have; in natural numbers less than 20, even numbers containing prime numbers and composite numbers have