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3 tháng 3 2022

bn dang lõi anh

3 tháng 3 2022

lỗi đề bài rồi bạn

2 tháng 2 2021

chiu

ối giồi ôi đang học zoom mà còn đăng bài dc

17 tháng 4 2023

Lỗi?

 

17 tháng 4 2023

đề đâu

3 tháng 7 2021

Bài nào em ??

3 tháng 7 2021

Các bài ở hình ảnh trên

8 tháng 5 2022

1 I was told to be the best architect in this city

It was told that I was the best...city

2 The flowers were reported to have been killed by frost

It was reported that the flowers were killed...

3 The director is informed to be going to take..England

It is informed that the director is going....England

4 The meeting was announed to have been delayed until next week

It was announed that the meeting was..week

27 tháng 12 2021

\(\left\{{}\begin{matrix}2x+3y=-2\\3x-2y=-3\end{matrix}\right.\) ⇔ \(\left\{{}\begin{matrix}6x+9y=-6\\6x-4y=-6\end{matrix}\right.\)⇔ \(\left\{{}\begin{matrix}14y=0\\2x+3y=-2\end{matrix}\right.\)\(\left\{{}\begin{matrix}y=0\\x=-1\end{matrix}\right.\)

23 tháng 8 2017

de co phai la 2.(x-25)-17=25

23 tháng 8 2017

neu de nhu vay thi de lam:

    2x(x-25)-17=25

    2x(x-25)=25+17

    2x(x-25)=42

        x-25 =42:2

        x-25 =42

            x  =42+25

            x  =67

  

ai tim dc so 9

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26 tháng 11 2021

ờm thíu đề pk khum?

26 tháng 11 2021

nghe nó rối quá