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23 tháng 12 2015

GỌI ƯỚC CHUNG LỚN NHẤT LÀ d

3n+2 chia hết d --->4 (3n+2) chia hết d--->12n+8 chia hết d 

4n+3 chia hết d --->3 (4n+3) chia hết d--->12n+9 chia hết d 

ta có: (12n+9)-(12n+8) chia hết d

---> 1 chia hết d ---> d bằng 1

--->3n+2 và 4n+3 là 2 số nguyên tố cùng nhau

><  ​TICK MÌNH NHA

23 tháng 2 2022

1.B

2.D

3.F

4.E

5.A

6.C

23 tháng 2 2022

(1) B

(2) D

(3) F

(4) E

(5) A

(6) C

 

31 tháng 7 2016

Nga and Mi meet for the first time. Choose-f to complete their conversation.

Mi:   Nga, what is your favourite hobby?

Nga: (1) b. I love cooking.

Mi:    Why?

Nga: (2) d. It's great when I can see other people enjoy my food.

Mi: when didi you start your hobby?

Nga: (3) f. When I was 6 years old, my mum taught me how to cook my first dish.

Mi:   Do you share this hobby with anyone?

Nga: (4) e. Yes, my mum loves it too.

Mi:   Is it diffcult to cook?

Nga: (5) a. I don't think it's difficult because I like it very much.

Mi:    where do you get the recipes?

Nga: (6) c. Most of the time I learn from my mum. Sometimes I get them from the internet.

31 tháng 7 2016

Nga and Mi meet for the first time. Choose-f to complete their conversation.

Mi:   Nga, what is your favourite hobby?

Nga: (1) I love cooking.

Mi:    Why?

Nga: (2) It's great when I can see other people enjoy my food.

Mi: when did you start your hobby?

Nga: (3) When I was 6 years old, my mum taught me how to cook my first dish.

Mi:   Do you share this hobby with anyone?

Nga: (4) Yes, my mum loves it too.

Mi:   Is it diffcult to cook?

Nga: (5) I don't think it's difficult because I like it very much.

Mi:    where do you get the recipes?

Nga: (6) Most of the time I learn from my mum. Sometimes I get them from the internet.

a. I don't think it's difficult because I like it very much.

b. I love cooking.

c. Most of the time I learn from my mum. Sometimes I get them from the internet.

d. It's great when I can see other people enjoy my food.

e. Yes, my mum loves it too.

f. When I was 6 years old, my mum taught me how to cook my first dish.

5 tháng 8 2016

Nga and Mi meet for the first time. Choose-f to complete their conversation.

Mi:   Nga, what is your favourite hobby?

Nga: (1) b. I love cooking.

Mi:    Why?

Nga: (2) d. It's great when I can see other people enjoy my food.

Mi: when didi you start your hobby?

Nga: (3) f. When I was 6 years old, my mum taught me how to cook my first dish.

Mi:   Do you share this hobby with anyone?

Nga: (4) e. Yes, my mum loves it too.

Mi:   Is it diffcult to cook?

Nga: (5) a. I don't think it's difficult because I like it very much.

Mi:    where do you get the recipes?

Nga: (6) c. Most of the time I learn from my mum. Sometimes I get them from the internet.

5 tháng 8 2016

Nga and Mi meet for the first time. Choose-f to complete their conversation.

Mi:   Nga, what is your favourite hobby?

Nga: (1) b. I love cooking.

Mi:    Why?

Nga: (2)d. It's great when I can see other people enjoy my food.

Mi: when didi you start your hobby?

Nga: (3)f. When I was 6 years old, my mum taught me how to cook my first dish.

Mi:   Do you share this hobby with anyone?

Nga: (4) e. Yes, my mum loves it too.

Mi:   Is it diffcult to cook?

Nga: (5)a. I don't think it's difficult because I like it very much.

Mi:    where do you get the recipes?

Nga:c. Most of the time I learn from my mum. Sometimes I get them from the internet.

 

 

 

 

 

10 tháng 8 2016

Nga and Mi meet for the first time. Choose-f to complete their conversation.

Mi:   Nga, what is your favourite hobby?

Nga: (1) b. I love cooking.

Mi:    Why?

Nga: (2) d. It's great when I can see other people enjoy my food.

Mi: when didi you start your hobby?

Nga: (3) f. When I was 6 years old, my mum taught me how to cook my first dish.

Mi:   Do you share this hobby with anyone?

Nga: (4) e. Yes, my mum loves it too.

Mi:   Is it diffcult to cook?

Nga: (5) a. I don't think it's difficult because I like it very much.

Mi:    where do you get the recipes?

Nga: (6) c. Most of the time I learn from my mum. Sometimes I get them from the internet.

10 tháng 8 2016

Nga and Mi meet for the first time. Choose-f to complete their conversation.

Mi:   Nga, what is your favourite hobby?

Nga: (1) I love cooking.

Mi:    Why?

Nga: (2) It's great when I can see other people enjoy my food.

Mi: when didi you start your hobby?

Nga: (3) When I was 6 years old, my mum taught me how to cook my first dish.

Mi:   Do you share this hobby with anyone?

Nga: (4) Yes, my mum loves it too.

Mi:   Is it diffcult to cook?

Nga: (5) I don't think it's difficult because I like it very much.

Mi:    where do you get the recipes?

Nga: Most of the time I learn from my mum. Sometimes I get them from the internet.

a. I don't think it's difficult because I like it very much.

b. I love cooking.

c. Most of the time I learn from my mum. Sometimes I get them from the internet.

d. It's great when I can see other people enjoy my food.

e. Yes, my mum loves it too.

f. When I was 6 years old, my mum taught me how to cook my first dish.

12 tháng 12 2016

Căn cứ vào những tiêu chí nào để xếp loại vào các nhóm nước phát triển và đang phát triển?

- Người ta căn cứ vào các tiêu chí: thu thập bình quân đầu người, tỉ lệ tử vong của trẻ em ... hoặc chỉ số phát triển con người để phân loại các quốc gia vào nhóm nước phát triển hay nhóm nước đang phát triển.

CHÚC BẠN HỌC TỐT!