gửi lại ạ

Exercise 6: Reorder these words to have correct sentences

1. went/ to/ My/ last/ month./ family/ the/ circus/

=> My family went to the circus last month.

2. never/ Mai/ kangaroos./ and Trang/ see/

=> Mai and Trang never see kangaroos.

3. We/ going to/ moon cakes/ eat/ are
=> We are going to eat moon cakes.

Câu 10 làm sai đề, Sửa lại:
10. \(\left(-2020\right)-\left(10-2020\right)\)
\(=\left(-2020\right)-\left(-2010\right)\)
\(=-10\)

10. \(\left(-2020\right)-\left(20-2020\right)\)
\(=\left(-2020\right)-\left(-2000\right)\)
\(=-20\)

11. \(\left(+879\right)-\left[3009-\left(-879\right)\right]-1991\)
\(=879-3888-1991\)
\(=-5000\)

12. \(53-\left\{135+\left[+74+53-\left(-35-26\right)\right]\right\}\)
\(=53-\left\{135+\left[127-\left(-61\right)\right]\right\}\)
\(=53-\left\{135+188\right\}\)
\(=53-323\)
\(=-270\)

Correct the mistakes of the following sentences:
1. When he came, I watched a football match
=> was watching
2. When Andrew saw the question, he was knowing the answer immediately
=> knew
3. Mai stays on her uncle's farm last week
=> stayed
4. I'm looking forward to hear from you
=> hearing
5. Would you like going to the cinema with me?
=> to go
6.What about to play football now?
=> playing
7. How you go to work every day?
=> do you
8. What do he have for breakfast every day?
=> does
9. He enjoys listen to music in the evening.
=> listening
10. Nam singed a french song last night.
=> sang
11. I need a few sugar in my coffee.
=> little
12. How far does it take to get to the movie theater?. About forty minutes.
=> long
13. Hoa can sing very goodly.
=> well
14. He bought this book a hour ago.
=> an
15. Did you have got your new motor bike last year?
=> bỏ

5. \(\left(-2009\right)-\left(53-2009\right)+\left(-47\right)\)
\(=\left(-2009\right)-\left(-1956\right)+\left(-47\right)\)
\(=-100\)

6. \(\left(1267-196\right)-\left(267+304\right)\)
\(=1071-571\)
\(=500\)

7. \(47+\left(-60\right)-\left(47-20\right)\)
\(=-13-27\)
\(=-40\)

8. \(-\left(515-80+90\right)-\left(2005+80-91\right)\)
\(=-525-1994\)
\(=-2519\)

9. \(880-\left(3330-220+70\right)\)
\(=880-3180\)
\(=-2300\)