giúgiusp mik vs ạ
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NY
2
23 tháng 8 2019
https://xemtailieu.com/tai-lieu/tuyen-tap-20-de-thi-hoc-sinh-gioi-mon-ngu-van-7-co-dap-an-va-thang-diem-1341942.html
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QN
2
DT
Đỗ Thanh Hải
CTVVIP
22 tháng 7 2021
1 to lose weight
2 not to be late for work
3 order to hear the football results
4 as to get a good job
5 order to read book
6 as to pass the entrance exam to Le Hong Phong school
7 order not to have a cold
8 as to buy a new car
9 order not to fail the coming exam
10 as to get to the meeting on time
NM
0
DT
Đỗ Thanh Hải
CTVVIP
5 tháng 7 2021
1 are
2 am
3 is
4 are
5 are
6 are
7 is
8 is
9 is
10 are
IV
1 is writing
2 are losing
3 is having
4 is staying
5 am not lying
6 is always using
7 are having
8 Are you playing
9 are not touching
10 Is - listening
11 Is- winning
12 am not staying
13 is not working
14 is not reading
15 isn't raining
16 am not listening
17 Are they making
18 Are you doing
19 Is - sitting
20 is - doing
21 are-putting
22 are-wearing
23 is-studying
5 tháng 7 2021
2, am
3, is
4,are
5,are
6,are
7,is
8,is
9,is
10,are
IV
1,2,7 OK
3,is having
4,has stayed
5,am not lying
6,always uses
8,Are-playing
9,not to touch
10,Is-listening
11,Are-winning
12,am not staying
13,isn't working
14,isn't reading
15,isn't raining
16,am not listening
17,Are-making
18,Are-doing
19,Is-sitting
20,is-doing
21,do-putting
22,do-wear
23,is-studying
RY
24 tháng 4 2022
a. f(\(\dfrac{-1}{2}\)) = \(4.\left(\dfrac{-1}{2}\right)^2+3.\left(\dfrac{-1}{2}\right)-2\)
= \(4.\dfrac{1}{4}-\left(\dfrac{-3}{2}\right)-\dfrac{4}{2}\)
= \(\dfrac{2}{2}+\dfrac{3}{2}-\dfrac{4}{2}\)
= \(\dfrac{1}{2}\)
