1843+3848=
K
Khách
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VP
3
CM
19 tháng 3 2019
Ta có:
ƯCLN(-5,36) = ƯCLN(5,36) = 1
ƯCLN(42,30) = 6
ƯCLN(-18,43) = ƯCLN(18,43) = 1
ƯCLN(-7,118) = ƯCLN(7,118) = 1
ƯCLN(-15,132) = ƯCLN(15,132) = 3
Vậy các phân số tối giản là: − 5 36 ; − 18 43 ; − 7 118
8 tháng 12 2018
Đáp án: A
Giải thích: câu bị động thời quá khứ was/ were + P2 + by + N
Dịch: Máy fax được phát minh bởi Alexander Bain.
H
15 tháng 5 2022
11. The facsimile ……………. by Alexander Bain in 1843.
A. invented B. was invented C. has been invented D. has invented
12. If I had my computer now, I ……………. for the answer on the Internet.
A. will search B. would have searched C. would search D. would searched
13. My younger sister confessed ……………. my diary.
A. to read B. reading C. to have read D. to have reading
14. If local people drink this untreated water, they …………… have cholera.
A. will probably B. probably will C. would probably D. probably would
15. Do you agree that playing computer games might make players think …………….?
A. critic B. critical C. critically D. criticism
L
15 tháng 3 2022
III. Choose the best option marked A, B, C or D to complete each sentence
1. The facsimile________by Alexander Bain in 1843.
A. is invented B. was invented C. invented D. has been invented
2. The doctor told me more fresh fruit.
A. eat B. to eat C. eating D. ate
3. Can you repair my bike?
A. adjust B. use C. fix D. A & B
4. If I had enough money, I_________abroad to improve my English.
A. will go B. would go C. went D. should have go to
5. I warned him too close to the fire.
A. didn't go B. not going C. no going D. not to go
6. You _________ brush your teeth twice a day.
A. should B. can C. will D. have
7. Tim is a good student. He did very well in the first semester. His mother is ______ him.
A. sorry for B. sad C. proud of D. displeased
8. The new hotel _______ next year.
A. is opened B. will be opened C. is opening D. opens
9. Would you mind .________ on the light?
A. turn B. to turn C. turned D. turning
10. Did the children enjoy __________ when they were on holiday?
A. themselves B. themself C. himself D. itself
8 tháng 3 2021
Tìm lỗi sai và sửa lỗi:
1.What do you think this button is of?
=> of this button
2.Paper pulp mixed with water.
=> is mixed
3.When did the facsimile invented? In 1843.
=> invent
4.Maize brought into Vietnam by Phung Khac Khoan.
=/> was brought
=5686 nha
= 5691