giúp em nhanh với ạ em cảm ơn
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CTVVIP
25 tháng 5 2021
Đề dài thế này sao giải thích nhanh cho e đc
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1 C
2 B
3 D
4 C
5 B
6 A
Part 2
1 T
2 F
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V
1 That old house has just been bought
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1 The meeting was canceled 3 days ago
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DD
0
KH
dg cần gấp !!
0
10 tháng 7 2021
1. English is more interesting than music.
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3. Ha Noi is not as small as Hai Duong.
4. Mai's sister is not as pretty as her.
6. You have got more money than me.
7. Art is not as difficult as French.
8. Nam's father is more careful than him.
9. No one in our town is as rich as Mr Ron.
10. He is the most intelligent in my class.
11. Everest is the highest mountain in the world.
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13. I can't swim as far as Jan.
14B 15C 16A 17C 18B 19C 20B
\(\sqrt{5-x}-x=1\left(đk:5\ge x\ge-1\right)\)
\(\Leftrightarrow\sqrt{5-x}=x+1\)
\(\Leftrightarrow5-x=x^2+2x+1\)
\(\Leftrightarrow x^2+3x-4=0\)
\(\Leftrightarrow\left(x-1\right)\left(x+4\right)=0\)
\(\Leftrightarrow\left[{}\begin{matrix}x=1\left(tm\right)\\x=-4\left(ktm\right)\end{matrix}\right.\)