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10 tháng 1 2022

cảm ơn thì đừng vào đây  ko là có đứa cho báo cáo đấy chứu chị ko giám đâu chị chỉ nhắc nhở thôi nhé

15 tháng 4 2022

generosity

15 tháng 4 2022

generous

8 tháng 4 2022

where do you think people will live ?

8 tháng 4 2022

Where do you think people will live?

M
18 tháng 1 2017

Hình vuông : a x a(a là cạnh hình vuông) hoặc tính như hình thoi

Hình chữ nhật : a x b ( a,b là chiều dài và chiều rộng)

Hình thang : (a + b) x h : 2 ( a,b là độ dài hai đáy , h là chiều cao)

Hình thoi : a x b : 2 ( a,b là độ dài hai đường chéo )

Hình bình hành : a x h ( a là độ dài đáy, h là chiều cao)

18 tháng 1 2017

S=(P-a)*(P-b)*(P-c)*(P-d)

26 tháng 2 2020

THÁNH NÓI CHUYỆN TỚI ĐÂY

26 tháng 2 2020

cos mk nek

5 tháng 7 2017

Tổng điểm 3 bài là : 9.3=27điểm)

tổng điểm 2 bài còn lại là: 27-7=20(điểm)

vì số điểm ko bao giờ quá 10 nên bài 1= bài 2=10 điểm

5 tháng 7 2017

là điểm 7;10;10

18 tháng 9 2021

Bài 4:

Điện trở tương đương :

\(R_{tđ}=\dfrac{U}{V}=\dfrac{12}{0,4}=30\left(\Omega\right)\)

Ta có: \(R_{tđ}=R_1+R_2\Leftrightarrow R_1=R_{tđ}-R_2=30-20=10\left(\Omega\right)\)

 

19 tháng 9 2021

Đọc lại yêu cầu giùm mình nha

Mọi người ơi giúp em chọn đáp án đúng kèm giải thích chi tiết lý do vì sao chọn giúp em với ạ! Em cảm ơn rất nhiều ạ.11. I'm grateful that you helped my brother do that work.A. Thank you for helping my brother do that work.B. Thank you about helping my brother do that work.C. Thank you because you helped me do that work.D. Thank you that you help my brother do that work12. I find it impossible not to worry about Lan.A. I can't help feeling worried about LanB. Ifeel...
Đọc tiếp

Mọi người ơi giúp em chọn đáp án đúng kèm giải thích chi tiết lý do vì sao chọn giúp em với ạ! Em cảm ơn rất nhiều ạ.

11. I'm grateful that you helped my brother do that work.
A. Thank you for helping my brother do that work.
B. Thank you about helping my brother do that work.
C. Thank you because you helped me do that work.
D. Thank you that you help my brother do that work
12. I find it impossible not to worry about Lan.
A. I can't help feeling worried about Lan
B. Ifeel worried about Lan, but I can't do anything to help
C.I can't do nothing to help Lan although I feel worried about her
D. I'm unable to worry about Lan
13. You'd better take a taxi; it was raining hard outside
A. You'd better take a taxi in case it was raining
B. She advised us to take a tad because it was raining outside
C. She gave us a lift because it was raining heavily
D. She didn't lend us any raincoats but a taxi
14. My brother and I go to that school
A. I went to that school and my brother, too
B. I went to that school and so my brother did
C. I went to that school and so did my brother
D. I went to that school and so my brother did, too
15. The meeting was put off because of pressure of time
A. There was not enough time to hold the meeting
B. People wanted to get away, so the meeting began early
C. The meeting was planned to start in a short time
D. The meeting lasted much longer than usual
16. When they arrived, the good seats were already taken
A. They didn't get good seats because they arrived too late
B. They arrived late enough to get good seats
C. They had to stand for the whole show
D. We couldn't get good seats although we arrived early
17. They would never have accepted his money if they had known his plans
A. They knew what he wanted to do, so they refused his money
B. They agreed with his wishes because they were glad to have his money
C. They didn't know his plans and never took money from him
D. They took the money be offered them without realizing
18. He could not afford to buy the car
A. He couldn't buy the car because it was too expensive
B. He bought the car because it was expensive
C. He bought the car though it was expensive
D. He had enough money but he didn't buy the car
19. Tam is not good at English and neither am I
A. Neither Tam nor I am good at English
B. Either Tam or I am good at English
C. I'm not as good at English as Tam is
D. Tam isn't good at English but I am
20. This is the first time I attend such an exciting holiday.
A. The first holiday I attended was exciting.
B. I had the first exciting holiday.
C. My attendance at the first holiday was exciting.
D. I have never attended such an exciting holiday before.

0
15 tháng 10 2016

Mình cũng là thành viên mới nè.....

15 tháng 10 2016

Ờ có gì mình giúp cho 

2 tháng 4 2022

Câu 10 : 

Ta có : AD là phan giác \(\widehat{ABC}\)

\(\Rightarrow\dfrac{AB}{AC}=\dfrac{BD}{DC}\)

=> Chọn C

Câu 11 :

Ta có : \(MN//BC\)

Theo hệ quả định lý Ta-lét ta có :
\(\dfrac{AM}{AB}=\dfrac{MN}{BC}\)

hay \(\dfrac{2}{5}=\dfrac{MN}{6,5}\)

\(\Rightarrow MN=\dfrac{2.6,5}{5}=2,6\left(cm\right)\)

=> CHọn D

Câu 12 :

Ta có : \(5m=50dm\)

\(\Rightarrow\dfrac{AB}{CD}=\dfrac{15}{50}=\dfrac{3}{10}\)

=> Chọn A

11 tháng 11 2018

ý mk là cám ơn Moon_cute