Question by Lê Anh Duy

11/03/2018 at 14:09

- The fastest person who answer correctly will get 1 point/question/answer

- You can still answer my old question at https://e-learning.codienhanoi.edu.vn/discuss/member/leanhduy0206 and get point

THE QUESTION TODAY IS:

4) Find the smallest positive integers N such that:

- \(N⋮99\)

- N doesn't include digit 9

( MYTS - 2018 - Grade 7)

Lê Quốc Trần Anh Coordinator 12/03/2018 at 11:48

\(N⋮99\)

=> \(N\in\left\{99;198;297;...;1089;1188;...\right\}\)

Because N doesn't include N

=> The smallest positive integers N = 1188.
Lê Anh Duy selected this answer.
Lê Quốc Trần Anh Coordinator 12/03/2018 at 11:48

Sorry, N doesn't include 9 (line 3)