GIẢI NHANH GIÚP MK VỚI
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a: \(=\dfrac{1}{3}-\dfrac{17}{6}+\dfrac{4}{3}=\dfrac{5}{3}-\dfrac{17}{6}=\dfrac{10-17}{6}=\dfrac{-7}{7}\)
b: \(=\dfrac{5+6}{12}=\dfrac{11}{12}\)
c: \(=\dfrac{-12+7}{28}\cdot\dfrac{28}{15}=\dfrac{-5}{15}=\dfrac{-1}{3}\)
d: \(=\dfrac{2}{3}+\dfrac{1}{5}-\dfrac{4}{15}=\dfrac{10+3-4}{15}=\dfrac{9}{15}=\dfrac{3}{5}\)
e: \(=\dfrac{-3}{16}\left(\dfrac{8}{15}+\dfrac{7}{15}\right)-\dfrac{5}{16}=\dfrac{-3-5}{16}=\dfrac{-1}{2}\)
f: \(=\dfrac{-20}{23}-\dfrac{2}{23}+\dfrac{2}{3}+\dfrac{2}{5}+\dfrac{7}{15}\)
\(=-1+\dfrac{10+6+7}{15}=\dfrac{-15+23}{15}=\dfrac{8}{15}\)
g: =5/7(5/11+2/11-14/11)
=-7/11*5/7=-5/11
h: =-5/7(10/13+3/13)+1+5/7
=-5/7+1+5/7
=1
i: \(=\dfrac{7}{4}\left(\dfrac{29}{5}-\dfrac{9}{5}\right)+3+\dfrac{2}{13}=7+3+\dfrac{2}{13}=10+\dfrac{2}{13}=\dfrac{132}{13}\)
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4, My brother plays tennis very well
5, Because the river is too dirty, we can't swim in
6, If you throw a store into water, it sinks (Vế sau là một chân lý nên chia thì Hiện Tại Đơn)
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have - rain - say - explain - read - see - to report - fixing - to buy - finish
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1. have
2. is
3. enjoy
4. are dancing
5. are playing
6. is taking
7. starts
8. is
9. says
10. go
11. sleeps
12. come
Lưu ý: Anh đang làm theo yêu cầu đề bài là dùng thì Hiện tại, mặc dù anh nghĩ một số chỗ thì hiện tại chưa đúng lắm.
1 are having
2 is
3 enjoy
4 are dancing
5 are playing
6 is taking
Halloween
I'm reading a story about Halloween.