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Những câu hỏi liên quan
22 tháng 7 2021
1. Nowadays, many children are used to connecting the Internet everyday.
2. I couldn't keep in touch with him before because I had lost his phone number.
3. They have been working for this company for thirty years and they will retire next year.
4. We were delighted to receive your letter yesterday.
5. When we saw them, they were trying to find a new house near their workplace.
22 tháng 7 2021
1 turned it down
2 worn out
3 call off
4 turn up
5 came across
6 carried out
7 broken into
8 gave up
9 took - off
10 set up
BV
1
DT
Đỗ Thanh Hải
CTVVIP
22 tháng 7 2021
1 is he leaving - will be playing
2 are training
3 were you doing - called
4 had finished - went
5 don't really expect - smells
6 do you feel - think
8 have you been doing
9 got - had begun
KY
22 tháng 7 2021
has won
have you sat
have sat
have been sitting
have been playing
have played
has raised
has been lecturing
has never missed
has been sleeping
has slept
22 tháng 7 2021
1 retirement
2 unemployment
3 wooden
4 observation
5 researchers
6 psychologist
7 building
8 importance
9 introductory
10 technologically
TA
22 tháng 7 2021
1. When did you have this motorbike ?
2. I have visited HCM city 3 times before.
3. While Jim was traveling in Paris, he met his old classmate there.
4. I have never flown in a plane before yesterday.
5. I have visited my grandparents for 2 weeks.
6. I had worked for my father for 3 years before I got a job with a French company.
22 tháng 7 2021
1.When did you have this motorbike?
2.I have visited HCM cite 3 times before.
3.While Jim was travelling in Paris, he met his old classmate there.
4.I have never flown in a plane before yesterday.
5.I have visited my grandparents for 2 weeks.
6.I had wored my grandparents for 3 years before I got a job with a Prench company.
Tổng số học sinh không đổi Ta có:
Đầu năm số học sinh thích toán bằng: 1 : (1+4)= \(\dfrac{1}{5}\)(tổng số học sinh)
Cuối kỳ I số học sinh thích toán bằng: 2 : (2+5) = \(\dfrac{2}{7}\)(tổng số học sinh)
3 học sinh ứng với: \(\dfrac{2}{7}\) - \(\dfrac{1}{5}\) = \(\dfrac{3}{35}\) (tổng số học sinh)
Lớp 5C có số học sinh là: 3 : \(\dfrac{3}{35}\) = 35 (học sinh)
Đáp số:.....