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I suggest going to school by bike or by bus to save energy
Cấu trúc suggest + Ving
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4. He suggests telling him the truth
5. They suggest that I put an ad in the local newspaper
6. I suggest spending our weekend on the farm
7. I suggest saving energy by using energy-saving bulbs
8. They suggest taking solid waste to the recycling center
9. I suggest that we stop working and take a rest, Peter. You look tired
10. The doctor suggests drinking a lot of water to prevent sickness
11. I suggest organizing a show to raise money for the poor
12. I suggest swimming in the river this afternoon
13. I suggest helping the elderly people and war invalids with their chores
14. I suggest taking a shower to save water
15. Why not suggest doing some reading every day
16. I suggest organizing a show to raise money
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4. He suggests that
5. They suggest that
6. I suggest that
7. I suggest
8. They suggest
9. I suggest that
10. The doctor suggests
11. I suggest
12. I suggest
13. I suggest
14. I suggest
15. Why not
16. I suggest
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Ta thấy rằng 2|y+1| luôn luôn lớn hơn 0
Nên suy ra được là : |x-3|+2(y+1)=6
<=>|x-3|+2y=4
<=>|x-3|=4-2y
Có hai trường hợp
1, x-3=4-2y
<=>x-7-2y=0
<=>x-2y=7
2, 3-x=4-2y
<=>x-2y=-1
Đến đây ta thấy hai kết quả khác hoàn toàn nên ko thảo mãn x và y
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Đề bài thiếu bạn nhé, có lẽ là x và y là các số nguyên.
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Part 1
1 on
2 as
3 who
4 so
5 well
6 didn't
Part 2
1 - G
2 - A
3 - F
4 - B
5 - C
6 - D
Part 3
1 have walked
2 learnt
3 watches
4 playing
5 be done
6 impressed
7 surprisingly
8 cosumption
Part4
1 reduce => reduces
2 whom => who
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ta có \(2\left|y+1\right|=6-\left|x-3\right|\)
Do vế trái là số chẵn và không âm nên vế phải cũng là số chẵn không âm
nên : \(\hept{\begin{cases}\left|x-3\right|\text{ chẵn}\\\left|x-3\right|\le6\end{cases}}\Rightarrow\left|x-3\right|=0,2,4,6\)
\(\hept{\begin{cases}\left|x-3\right|=0\\\left|y+1\right|=3\end{cases}\Leftrightarrow\hept{\begin{cases}x=3\\\orbr{\begin{cases}y=2\\y=-4\end{cases}}\end{cases}}}\)TH1\(\hept{\begin{cases}\left|x-3\right|=0\\\left|y+1\right|=3\end{cases}\Leftrightarrow\hept{\begin{cases}x=3\\y=2\end{cases}\text{ hoặc }\hept{\begin{cases}x=3\\y=-4\end{cases}}}}\)
TH2: \(\hept{\begin{cases}\left|x-3\right|=2\\\left|y+1\right|=2\end{cases}\Leftrightarrow\hept{\begin{cases}x=1\\y=1\end{cases}\text{ hoặc }\hept{\begin{cases}x=1\\y=-3\end{cases}}\text{ hoặc }\hept{\begin{cases}x=5\\y=1\end{cases}}\text{ hoặc }\hept{\begin{cases}x=5\\y=-3\end{cases}}}}\)
TH3: \(\hept{\begin{cases}\left|x-3\right|=4\\\left|y+1\right|=1\end{cases}\Leftrightarrow\hept{\begin{cases}x=7\\y=0\end{cases}\text{ hoặc }\hept{\begin{cases}x=7\\y=-2\end{cases}}\text{ hoặc }\hept{\begin{cases}x=-1\\y=0\end{cases}}\text{ hoặc }\hept{\begin{cases}x=-1\\y=-2\end{cases}}}}\)
TH4: \(\hept{\begin{cases}\left|x-3\right|=6\\\left|y+1\right|=0\end{cases}\Leftrightarrow\hept{\begin{cases}x=9\\y=-1\end{cases}\text{ hoặc }\hept{\begin{cases}x=-3\\y=-1\end{cases}}}}\)
Why don't we travel by bus
-->I suggest.......traveling by bus.........