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Đoàn Thị Tú Uyên
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Uyên Hồ
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Trúc Linh Trần Thị
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_silverlining
13 tháng 1 lúc 20:56

1.    My daughter has learnt English for two years.

_ My daughter started....learning English 2 years ago ..............................................................................

2.     Although Tuan took a taxi, he still arrived late for the interview.

_ In spite of........having taken a taxi, Tuan still arrived late for the interview. .........................................................................................

3.     My brother works in a factory which has more than a thousand employees.

_ There are......more than a thousand employees in my brother's company ............................................................................................

4.     Nam and his family went on a trip to their home village for two days.

_ Nam and his family had a two-day trip to their home village. ............................................................................

5.     Keeping the environment clean is very important.

_ It's....very important to keep the environment clean. ........................................................................................................

6.     They will show the time machine to the public when they finish it.

_ The time machine......will be shown to the public when it is finished. .................................................................................

7.     Old car tires are recycled to make shoes and sandals.

_ People recycle old car tires to make shoes and sandals. 

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

8.     It’s three years since I last saw her in this city.

_ I haven’t seen her in this city for 3 years. 

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

9.     Tam doesn’t type as fast as she used to.

_ Tam used.to type faster than she does now

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

10.    “ Please turn down the radio for me'’, said my father.

_ My father asked......me to turn down the radio...................................................................................

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Nhung Trịnh
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Duy Đỗ Ngọc Tuấn
24 tháng 4 2018 lúc 23:23

dễ quá mai mình làm cho

giờ ngủ đây

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Cao Văn Đạt
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Phạm Nhật Trúc
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Đỗ Thanh Hải
19 tháng 10 2021 lúc 22:36

1 lived

2 was watching - rang

3 had gone

4 were- driving

5 had moved

6 hated

7 had already gone

8 saw - were sitting

9 had happened

10 was crossing

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Lê Minh Ngọc
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HT.Phong (9A5)
7 tháng 5 2023 lúc 19:51

Câu 8: A

Câu 9: Tóm tắt:

\(A=300J\)

\(t=1p=60s\)

======

\(\text{℘ }=?W\)

Công suất của Nam:

\(\text{℘ }=\dfrac{A}{t}=\dfrac{300}{60}=5\left(W\right)\)

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Mai Khôi Nguyên
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Nguyễn Lê Phước Thịnh
17 tháng 10 2023 lúc 21:48

2: x+13 là bội của x-1

=>\(x+13⋮x-1\)

=>\(x-1+12⋮x-1\)

=>\(x-1\inƯ\left(12\right)\)

mà x-1>=-1(vì x là số tự nhiên)

nên \(x-1\in\left\{-1;1;2;3;4;6;12\right\}\)

=>\(x\in\left\{0;2;3;4;5;7;13\right\}\)

3: 4x+9 là bội của 2x+1

=>\(4x+9⋮2x+1\)

=>\(4x+2+7⋮2x+1\)

=>\(2x+1\in\left\{1;7\right\}\)

=>\(x\in\left\{0;3\right\}\)

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quang quy
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Nguyễn Lê Phước Thịnh
13 tháng 5 2023 lúc 9:05

b: BE>BC+CE

=BC+1/2CH

=BC+1/2*1/2(HB+HC)

=BC+1/4(HB+HC)>BC+1/4BC

=>BE>5/4BC>3/BC

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