tra loi ho minh voi cac ban

5x  - 2^3 = 4x + 3^2

5x - 4x = 3^2 + 2^3

x = 17

???????????

điều phải chứng minh

Gọi số phải tìm là abc ( \(a\ne0\))

Theo bải ra ta có:

1abc = abc * 3

1000 + abc=abc * 3

1000 = abc * 2

=> abc = 1000 : 2 = 500

Vậy abc = 500

Rồi!!!!!!!! Mỏi?????????

1. He doesn't do his homework                                     ->            His homework isn't done.

2.My teacher is correcting our test.                                          ->            Our test is being corrected by my teacher.

3.My mother is washing clothes in the bathroom                      ->            Clothes are being washed in the bathroom by my mother.

4.The man often brings milk to house.                                     ->            Milk is often brought to house by the man.

5.They are building a new school at the moment.                    ->            A new school is being built at the moment.

6. Students often make a lot of mistakes in their writing.          ->            A lot of mistakes are often made in their writing by students.

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nghe thấy nguy hiểm rồi!!!!! thui kệ cứ thi cho bt