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18 tháng 3 2019

hay lắm

ok

k mik vs

18 tháng 3 2019

Ai khen cho 3 tk

Thời gian người đi từ A đã đi được trước đó là : 

   7 giờ 45 phút - 7 giờ = 45 phút = 0,75 giờ

Quãng đường người đi từ A đã đi trước đó là :

   0,75 x 40 = 30 ( km )

Quãng đường thật là :  

   142,5 - 30 = 112,5 ( km ) 

Thời gian để hai người gặp nhau là :

   9 giờ - 7 giờ 45 phút = 1giờ 15 phút = 1,25 giờ

Tổng hai vận tốc là :

   112,5 : 1,25 = 90 km/giờ

Vận tốc của người đi từ B là :

   90 - 40 = 50 km / giờ

             Đ/s : ....

18 tháng 3 2019

https://olm.vn/hoi-dap/detail/41407341258.html

1 "Will it be safe to stay in the mountains for the night if the weather doesn't change for the better?" we asked the guide. ........................................................................................................................................... 2 The porter said to me, "I'll wake you up, when the train arrives in Leeds." ............................................................................................................................................. 3 My wife...
Đọc tiếp

1 "Will it be safe to stay in the mountains for the night if the weather doesn't change for the better?" we asked the guide. ...........................................................................................................................................

2 The porter said to me, "I'll wake you up, when the train arrives in Leeds." .............................................................................................................................................

3 My wife said to me: "While you are away, I'll do the packing." ..........................................................................................................................................

4 "Don't leave until I phone you," he asked me. ...........................................................................................................................................

5 "After he leaves hospital, they'll take him to the South," the doctor said. ..........................................................................................................................................

6 "They'll wait for the fisherman to return until it gets dark," the local man explained to me. ..........................................................................................................................................

7 As soon as I hear from him, I'll let you know," my neighbour said to me. ............................................................................................................................................

8 I’ll live in town till my husband returns from the expedition and when he returns, we'll go to the seaside together," she said. ..........................................................................................................................................

9 The mother said to her son, ."Sit still, please." .............................................................................................................................................

10 John said to his friend, "Come and spend a week with us." ..........................................................................................................................................

1
21 tháng 7 2017

1 "Will it be safe to stay in the mountains for the night if the weather doesn't change for the better?" we asked the guide. ...................................We asked the guide if it would be safe to stay in the mountains for the night if the weather didn’t changed for the better.
................

2 The porter said to me, "I'll wake you up, when the train arrives in Leeds." .......................The porter told me he would wake me up when the train arrived in Leeds.

....................................................................................................................

3 My wife said to me: "While you are away, I'll do the packing." .........................My wife told me that she would do the packing while I was away.
...............................................................................................................

4 "Don't leave until I phone you," he asked me. ........................He told me not to leave until he phoned me.
....................................................................................................................

5 "After he leaves hospital, they'll take him to the South," the doctor said. ......................The doctor said that after he left hospital they would take him to the South.
..................................................................................................................

6 "They'll wait for the fisherman to return until it gets dark," the local man explained to me. ......................The local man explained to me that they would wait for the fisherman to return until it got dark.
..................................................................................................................

7 As soon as I hear from him, I'll let you know," my neighbour said to me. ...................My neighbour told me she would let me know as soon as she heard from him........................................................................................................................

8 I’ll live in town till my husband returns from the expedition and when he returns, we'll go to the seaside together," she said. ...................She said that she would live in town until her husband returned from the expedition and that when he returned, they would go to the seaside together.
.......................................................................
.............................................

9 The mother said to her son, ."Sit still, please." ......................The mother told her son to sit still.
........................................................................
......................................

10 John said to his friend, "Come and spend a week with us." .....................................................................................John asked/told his friend to come and spend a week with him.

.....................................................