Chỉ cần trả lời câu 39;40
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1, I began learning E 3years ago
2,I did 4 exercises last night
3,He telephone her at 2 o'clock
4,He was in VN for 10 years
5,I got up at halp past five
6,I had bread and omeletes this morning
7,I left home at 6 o' clock
8,I went to school this morning by bicycle
9,I watched television after...
10,I went to bed last night at 10 o'clock
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Câu đặc biệt:
Mưa xong thì tạnh thôi
Tác dụng: Cho thấy sự tiếc nuối cơn mưa đi qua của Phương Định
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Câu 1
=> 38-x=0 hoặc x+25=0
TH1
38-x=0
x=38
TH2
x+25=0
x=-25
Vậy x e { 38;-25}
Câu 2
= 4544 + 32 . (-7 - 13)
= 4544 + 32 . (-20)
= 4544 + (-640)
= 3904
@minhnguvn
Câu 1 :
\(\left(38-x\right).\left(x+25\right)=0\)
\(\orbr{\begin{cases}38-x=0\\x+25=0\end{cases}}\)
\(\orbr{\begin{cases}x=38\\x=-25\end{cases}}\)
Câu 2 :
\(71.64+32.\left(-7\right)-13.32\)
\(=4544+32.\left(-7\right)-13.32\)
\(=4544+32.\left(\left(-7\right)-13\right)\)
\(=4544+32.20\)
\(=4544+52\)
\(=4596\)
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26. We (finish) ………finished…………………………our homework two hour ago
27. ……………Have……you (be) ………been…………… to Rome?
28. I (see) ……have seen…………………………………… him several times on TV
29. What ………did……… you (do) …………do………… last night?
30. This is the first time I (visit) …………have visited………………… the city
31 They (buy)………bought………………………… the garden some days ago
32 watches
33 is coming
34 is playing
35 will leave
36 cooks
37 doesn't quarrel
38 is looking
39 Do you want
40 doesn't belong
41 will you do
42 will travel
43 is learning
44 are - doing
45 doesn't get - will be
46 to buy
47 do
48 stay
49 will get - study
50 have studied
has a sink, a tub and a shower
exciting the city is