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N is an integer, and N is used to represent the following numbers: odd number, even number, multiple of 5, number divisible by 3, three consecutive integers, integer divisible by 5 and 1 N is an integer, and n denotes the following numbers: Odd numbers, even numbers, multiples of 5, numbers divisible by 3, three consecutive integers, integers divisible by 5 and 1
Even number: 2n
Odd number: 2n + 1
The multiple of 3: 3N
Three consecutive integers: n-1, N.N + 1
Three consecutive odd numbers: 2n-1,2n + 1,2n + 3
Three continuous even numbers: 2n-2,2n, 2n + 2
RELATED INFORMATIONS
- 1. If an integer can be divided by two and three, then the number can be divided by two____ to be divisible by?
- 2. At 0, 1, 2, 3 Of the 101 integers, 100, there are () A. 85 B. 68 C. 34 D. 17
- 3. In 0,1,2 ···, 100, how many numbers are divisible by 2 and 3 at the same time? Two two digit numbers, their greatest common divisor is 8, and their least common multiple is 96. The sum of these two numbers is ()
- 4. Try to explain that for any integer n, polynomial (4N + 5) ^ 2 - 9 must be divisible by 8
- 5. For any integer n, the value of polynomial (n + 7) 2 - (n-3) 2 can () A. Divisible by 2n + 4 B. divisible by N + 2 C. divisible by 20 D. divisible by 10 and divisible by 2n + 4
- 6. For any integer n, the square of polynomial (n + 4) - the square of N can be divisible by ()
- 7. Can (n + 7) 2 - (N-5) 2 be divisible by 24 when n is a natural number? Give reasons
- 8. Given a ^ 2 = m, B ^ 2 = n, find the value of (AB) ^ 12 (expressed by the algebraic formula containing m and N)
- 9. Try to introduce letters and express them with appropriate algebraic expressions: 1. An integer divisible by 3. 2. The remainder is an integer of 2 divided by 3
- 10. It is known that a, B and C are all integers. For any integer x, the value of the algebraic expression AX2 + BX + C can be divisible by 3. It is proved that ABC can be divisible by 27
- 11. Let n be a natural number, then the odd number is expressed as______ , even numbers expressed as______ The number divisible by 5 is______ The number of 3 divided by 4 is______ ．
- 12. Help me out a three digit divided by two digits {divisible, and must be divisible} formula, not less than 100, thank you Fourth grade pupils do the problem, must divide, good I give points, and a lot of Oh!
- 13. 1. The sum of the product of four consecutive integers and 1 is a complete square number. Why? Please explain the reason 2. Simplification (2 - M + 2-2 * 2 - n) / 2 * (2 - N + 3) 3. Factorization (1) (x - 2 + Y - 2) - 4x - 2 * y - 2 (2) 4*（a+b)⌒2-4*(a+b-1/4)
- 14. Try to prove that the product of four continuous positive integers plus 1 must be a complete square? (write the proof and steps)
- 15. Is the sum of the product of four continuous positive integers and 1 necessarily a complete square? Proof + example,
- 16. It is proved that the product of k consecutive positive integers is not a complete square number
- 17. Try to explain that the sum of the product of four integers and 1 is a complete square number
- 18. If there are five continuous natural numbers, and their sum can be expressed as the product of two continuous odd numbers which are all greater than 5, then the smallest of the five continuous natural numbers
- 19. It is known that a is the smallest natural number, B is the smallest odd number, M is the smallest even number except zero, C is the fraction, The numerator and denominator are B and m, respectively?
- 20. Let n be a natural number, then three consecutive even numbers can be expressed as, three consecutive odd numbers can be expressed as, and three consecutive integers can be expressed as