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22 tháng 2 2022
\(x:\dfrac{4}{7}=\dfrac{6}{7}-\dfrac{1}{3}\\ \Rightarrow x:\dfrac{4}{7}=\dfrac{18}{21}-\dfrac{7}{21}\\ \Rightarrow x:\dfrac{4}{7}=\dfrac{11}{21}\\ \Rightarrow x=\dfrac{11}{21}\times\dfrac{4}{7}\\ \Rightarrow x=\dfrac{44}{147}\)
22 tháng 2 2022
\(x-\dfrac{3}{5}=\dfrac{2}{3}\times\dfrac{1}{5}\\ \Rightarrow x-\dfrac{3}{5}=\dfrac{2}{15}\\ \Rightarrow x=\dfrac{2}{15}+\dfrac{3}{5}\\ \Rightarrow x=\dfrac{2}{15}+\dfrac{9}{15}\\ \Rightarrow x=\dfrac{11}{15}\)
VT
7
24 tháng 2 2022
VD: How often does she go to school?
- She goes to school every day.
27 tháng 2 2022
VD: My name is ....
At weekends, I often go shopping with my family.
My father is a doctor. He is fifty years old.
My mother is a teacher. She is forty years old.
My brother is a student. He is fifteen years old.
My sister is a student. She is seventeen years old.
10 tháng 3 2022
Harry Potter (chọn bừa :v)
Harry Potter,..
Harry Potter-acting well
10 tháng 3 2022
Is bird and the Man
Are the Bird and the Man old
I like the Man because he is very smart
9 tháng 3 2022
What kinds of stories do you like?
I Like. Snow White and the Seven Dwarfs
What do you think of......Snow White....?
I think she's kind
9 tháng 3 2022
What kinds of stories do you like?
I Like Tam Cam.
What do you think of Tam?
I think she's kind.
VT
2
4/7 nhé
\(4\times\dfrac{1}{7}=\dfrac{4}{7}\)