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PL
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PL
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PL
2 tháng 1 2022 lúc 18:02

1, The homework is too difficult for him to do

2, The homework isn't easy enough for him to do

3, The homework is so difficult that he can't do it

4, It is such difficult homework that he can't do it

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PL
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DH
7 tháng 1 2022 lúc 20:02

1. My sister says she went to school by bus this morning.

    My sister said she had gone to school by bus that morning.

2. Nga says she have done her homework.

    Nga said she had done her homework.

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PL
7 tháng 1 2022 lúc 20:03

1, My sister says that she goes to school by bus this morning

My sister said that she had gone to school by bus this morning

2, Nga says that she have done her homework

Nga said that she had done her homework

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PL
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H24
27 tháng 12 2021 lúc 20:51

1A

2C

3B

4B

5D

6A

7B

8A

9B

10B

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PL
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KY
2 tháng 1 2022 lúc 18:41

is a big supermarket next to our school

not met him for 3 months

10-day Tet holiday

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PL
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BN
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PP
20 tháng 2 2022 lúc 10:50

14.He asked me to help my withe the exercises.

15.He said he left early on Friday.

16.She asked me where he would meet that night.

17.Milk could be used for making butter and cheese.

18.Bottles of milk are brought to houses by the milkman.

19.A lot of beautiful toys are made from recyced plastic.

20.The concerts usually are held at the university.

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HD
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TN
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NT
21 tháng 9 2021 lúc 21:55

b: Ta có: \(5x\left(12x+7\right)-3x\left(20x-5\right)=-100\)

\(\Leftrightarrow60x^2+35x-60x^2+15x=-100\)

\(\Leftrightarrow50x=-100\)

hay x=-2

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NN
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MA
11 tháng 12 2021 lúc 14:36

= -4800

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NT
11 tháng 12 2021 lúc 14:37

=-4800

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