Câu hỏi :

175 – 92                                    595 – 346                                   739 – 683          

……………                               ……………                               ……………

……………                               ……………                               ……………

……………                               ……………                               ……………

* Đáp án

* Hướng dẫn giải

                  175  92     83

 595 346    249  739 683     56

Copyright © 2021 HOCTAP247