giải thích giúp em luôn đi ạ🥺
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Những câu hỏi liên quan
31 tháng 10 2021
Câu 6:
\(U=I.R=10.1,5=15\left(V\right)\)
Câu 7:
\(P=U.I\Rightarrow U=\dfrac{P}{I}=\dfrac{10}{0,5}=20\left(V\right)\)
Câu 8:
\(R_{tđ}=\dfrac{R_1.R_2}{R_1+R_2}=\dfrac{10.30}{10+30}=7,5\left(\Omega\right)\)
4 tháng 12 2021
Áp dụng tc dtsbn:
\(\dfrac{2y+z-x}{x}=\dfrac{2z-y+x}{y}=\dfrac{2x+y-z}{z}=\dfrac{2x+2y+2z}{x+y+z}=\dfrac{2\left(x+y+z\right)}{x+y+z}=2\\ \Rightarrow\left\{{}\begin{matrix}2y+z-x=2x\\2z-y+x=2y\\2x+y-z=2z\end{matrix}\right.\\ \Rightarrow\left\{{}\begin{matrix}2y+z=3x\\2z+x=3y\\2x+y=3z\end{matrix}\right.\Rightarrow\left\{{}\begin{matrix}3x-2y=z\\3y-2z=x\\3z-2x=y\end{matrix}\right.;\left\{{}\begin{matrix}3x-z=2y\\3y-x=2z\\3z-y=2z\end{matrix}\right.\\ \Rightarrow P=\dfrac{xyz}{2x\cdot2y\cdot2z}=\dfrac{1}{8}\)
Chọn D
19 tháng 2 2023
The benefits that universities and colleges bring us many knowledges in our current life.First, we can increase our chances of getting a job. There are a lot of employers who ask for competent people, but they don't know who to hire to be the right fit. Having a university and college degree helps us to be trusted. Second, we can practice many skills in college. At university, you will have the opportunity to study and practice many soft skills such as negotiation, presentation, communication, teamwork,... Last, develop critical thinking. Critical thinking will follow you throughout your life and help you deal with work in a more objective, holistic way.After all, studying at the university is different from the subordinates, students have to study on their own. As a result, you will form the habit of self-study. What are you waiting for? Decide your favourite universities and colleges now.
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Đỗ Thanh Hải
CTVVIP
25 tháng 5 2021
Đề dài thế này sao giải thích nhanh cho e đc
Part 1
1 C
2 B
3 D
4 C
5 B
6 A
Part 2
1 T
2 F
3 F
4 F
V
1 That old house has just been bought
2 If he doesn't take these pills, he won't be better
3 I suggest taking a train
4 Spending the weekend in the countryside is very wonderful
NN
2
S
14 tháng 3 2023
\(\dfrac{19}{20}-x=\dfrac{8}{5}+\dfrac{3}{4}\)
\(\dfrac{19}{20}-x=\dfrac{32}{20}+\dfrac{15}{20}\)
\(\dfrac{19}{20}-x=\dfrac{47}{20}\)
\(x=\dfrac{19}{20}-\dfrac{47}{20}\)
\(x=\dfrac{-28}{20}=\dfrac{-7}{5}\)
| #DatNe |
SV
Sinh Viên NEU
CTVVIP
20 tháng 11 2023
1 correct
2 success => only success
3 was released => released
4 correct
5 focused on => on
6 as a => a
7 correct
8 each others => others
9 satisfy with => satisfy
10 correct
11 correct
1. B -> views. your view ở số ít nhé, nghĩa là quan điểm của bạn
2. C -> and. ở đây and là từ nối 2 mệnh đề
3. C -> finishes
By the time S+V(hiện tại đơn), S+V(tương lai đơn/tương lai hoàn thành)
By the time S+V(quá khứ đơn), S+V(quá khứ hoàn thành)