Mn giúp e vss ạ
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0 sights
1 awesome
2 enthusiastic
3 achievement
4 competitor
5 unstable
6 steadily
7 boring
8 strengthen
9 additional
10 likelihood
Bạn tham khảo lời giải tại đây:
https://hoc24.vn/cau-hoi/giai-pt-sqrtx-2sqrt4-x2x2-5x-1.219493072549
1 Life in the country is not as good as life in the city
2 These room are cleaned every evening
3 Would you mind decorating the christmas tree
4 It's the first time I have talked to the headmaster
V
1 have ever met
2 worked
3 reading
4 are looking - seeing
5 was
VI
1A
2A
3D
4D
5B
Ta có: \(\overline{A}=\dfrac{24\cdot69+25\cdot\left(100-69\right)}{100}=24,31\)
Gọi \(n_{MgCl_2}=1\left(mol\right)=n_{Mg}\) \(\Rightarrow n_{^{25}Mg}=0,31\left(mol\right)\)
\(\Rightarrow\%m_{^{25}Mg}=\dfrac{25\cdot0.31}{24,31+35,5\cdot2}\approx8,13\%\)
VIII
1 Have you ever been
2 Did you go
3 went
4 got up
5 have never got
6 got
7 Have you ever seen
D
I
1 B
2 A
3 D
4 A
5 C