Using description method to express the set divided by 3 and remaining 2

Using descriptive method
1. Text description: {x | X represents the number of 2 divided by 3}
2. Symbolic description: {x I x = 3N + 2, n ∈ Z}

RELATED INFORMATIONS

1. Can (n + 7) 2 - (N-5) 2 be divisible by 24 when n is a natural number? Give reasons
2. Try to explain: for any natural number n, the value of n (n + 5) - (n-3) (n + 2) can be divided by 6
3. Known: known 1 + 3 = 4 = 2,1 + 3 + 5 = 9 = 3,1 + 3 + 5 + 7 = 16 = 4, then 1 + 3 + 5 + + (2n + 1) = (n + 1) 1+3+5+… +(2n + 1) how to see that there are n + 1 items, list a process for me to see
4. Given the first n terms of the sequence {an} and Sn = n ^ 2 + 2n (1), find the general term formula of the sequence {an} (2), find the 10th term of the sequence
5. The general term formula of sequence is 2n ^ 2-2n + 1, and the sum of the first n terms can be obtained
6. A 1 = 3, a (n + 1) = 3an - 2 fast
7. Given A1 = 1, a (n + 1) = 3an + 2 ^ (n + 1), find the general term formula of sequence {an}
8. It is known that the sum of the first n terms of the sequence is Sn = - 3 / 2n square + 205 / 2n 1, find the general term formula, 2, find the sum of the first n terms TN
9. Given the sum of the first n terms of the sequence {an} Sn = - 3 / 2n & sup2; + 205 / 2n, find the general term formula of the sequence {an}
10. Given that the sum of the first n terms of sequence {an} is Sn = 2n-3, then the general term formula of sequence a is (2n, n is above)
11. Write positive odd set, odd set and integer set divisible by 3 by description
12. The set of all numbers divisible by 5 is represented by description
13. To express "a set of positive integers divided by three and remaining one" by descriptive method:______ ．
14. The following sets {1,3,5,7,... Are represented by description An integer divisible by 3
15. If n is a positive integer, and N can be divided by 5, and N can be divided by 5, then n=
16. 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______ ．
17. Proof: the sum of any five consecutive integers can be divided by 5
18. Let y = e Λ 1 / x + sin2x, find dy
19. How to calculate 1.99 × 9.9 + 0.099 simply? It's 1.99 × 9.9 + 0.099. I hope my brother and sister can help me
20. If the parabolic equation is: (Y &; K) 2 = 4C (X &; H), then the tangent equation passing through a point (x0, Y0) on the parabola is derivative