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PK
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H24
31 tháng 10 2021 lúc 16:50

đăng r hạn chế đăng lại b nhé, sẽ có ng trl mà

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PK
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DH
12 tháng 9 2021 lúc 14:38

1 was arrested before the garden by the boy yesterday

2 his cats taken care of carefully by Jack everyday

3 Has the country been protected from Covid-19 successfully

4 is reported that the man is running out of money

is reported to be running out of money\

5 has been said that the thief got out of the prison

has been said to have got out of the prison

6 was thought that Mary had turned down the job

Mary was thought to have  turned down the job

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PK
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PK
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PK
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DH
5 tháng 9 2021 lúc 15:05

1 hadn't seen - were

2 doesn't like - being phoned

3 is eaten

4 is leaving - will wait

5 won't be - will you go

6 is coming - don't want

7 hasn't read - have gone

8 haven't seen - left

9 was washing - was writing

10 sets - goes

11 were talking - walked

12 has stayed - studied - was

13 was made

14 had told - went away

15 will be held

16 had gone - sat - rested

17 watched - had done

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PK
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MN
5 tháng 12 2021 lúc 13:15

Em tách ra từng bài nhé !

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PK
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PK
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PK
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NM
26 tháng 10 2021 lúc 15:56

Bài 3:

\(a,=\sqrt[3]{\left(x-1\right)^3}-\sqrt[3]{\left(5x+1\right)^3}=x-1-5x-1=-4x-2\\ b,=6a-6a+20a=20a\)

Bài 2:

\(a,=2\sqrt[3]{6}+3\sqrt[3]{5}-4\sqrt[3]{6}-2\sqrt[3]{5}=\sqrt[3]{5}-2\sqrt[3]{6}\\ b,=\sqrt[3]{8}-4\sqrt[3]{27}+2\sqrt[3]{64}=2-12+16=6\\ c,=\sqrt[3]{64}+\sqrt[3]{48}+\sqrt[3]{36}-\sqrt[3]{48}-\sqrt[3]{36}-\sqrt[3]{27}=4-3=1\\ d,=\sqrt[3]{162\left(-2\right)\cdot\dfrac{2}{3}}=\sqrt[3]{-216}=-6\)

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