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Bài 4:
a: k=y/x=7/10
b: y=7/10x
c: Khi x=-6 thì y=-7/10*6=-42/10=-21/5
Khi x=1/7 thì y=1/7*7/10=1/10
7. How often does he go to the library?
8. ....is the shortest student in his class.
9......is her address?
10... is shorter than Ba.
Bạn chỉ cần áp dụng cái phân tích đa thức thành nhân tử bằng phương pháo đặt nhân tử chung là ra rồi
44 If I had known your name, I could have introduced you with my friends
45 If the driver in front hadn't stopped so quickly, the accident wouldn't have happened
46 If I had known Geogre wanted to get up early, I would have waken him
47 If Jim hadn't lent me the money, I wouldn't have been able to buy the motorbike
48 If she hadn't been wearing the seat belt, she wouldn't have injured (câu này sao ta)
49 If she had had enough money on her, she would have bought the coat
50 If....(tên ai đó) hadn't gone to the bus stop in time, she would have late for the interview
51 If.......hadn't recommened the hotel to us, we wouldn't have stayed at this hotel
52 If you had had breakfast, you wouldn't be hungry now
1 They have carried out the project since the government....
2 Mr Han hasn't taken part in the meeting of the ..... for 2 years
3 She has not eaten lobster before
4 This is the first time I have read such a lovely story
5 It is the first time I have met such a famous actor
6 That house is the most modern
7 She enjoys listening to music in her free time
8 It is good for you to do physical exercise
9 He has worked as a singer for 6 years
10 You don't need to finish the work today
6. that house is the most modern house
7 listening to music in her free time
8 good for you to do physical exercises
9 worked as a singer for six years
10 to finish the work today