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28 tháng 12 2017

1) a = 9

2) a = 4;3;2;1;0

3) a = 0;1;2;...;9

4) chx nghĩ ra, chờ 1 lúc

28 tháng 12 2017

1)a=9

2)a thuộc{4;3;2;1;0}

3)a thuộc{1;2;3;4;5;6;7;8;9}

4)a thuộc{1;2;3;4}

1 tháng 1 2018

1) a=9

2) a=4,3,2,1,0

3) a=1,2,3,4,5,6,7,8,9,0

4) a=5,4,3,2,1,0

a=5,6,7,8,9

1. He asked Thu'' Will you come home tomorrow?''

=> He asked Thu If she would come home the following day

2. Linh asked him'' Have you ever been to England?''

=> Linh asked him If He had ever been to England

3.Nam asked me '' Is he doing his homework now?''

=> Nam asked me If he was doing his homework then

1,he asked me:''where will you go tomorrow ?

=>he asked me .......where i would go the next day.......

4 tháng 5 2017

\(\frac{5}{7}>\frac{x}{10}>\frac{4}{7}\)

Quy đồng mẫu số ta có :

\(\frac{50}{70}>\frac{7.x}{70}>\frac{40}{70}\)

Suy ra : 50 > 7.x > 40 

Mà 7.x phải chia hết cho 7 

Suy ra x là 49 

Đáp số 49 

4 tháng 5 2017

\(\frac{5}{7}>\frac{x}{10}>\frac{4}{7}\)

\(\frac{50}{70}>\frac{7x}{70}>\frac{40}{70}\)

=> 50 > 7x > 40 

Do 7x chia heát cho 7 

=> 7x = 49

=>  x  = 7

3 tháng 10 2019

Viết lại câu giữ nguyên nghĩa :
1. Jane can swim further than I can.

=> I cannot swim as far as Jane can
2. We did not do the test as quickly as Linh.

=> Linh did the test more quickly than we did
3. Peter cannot run as fast as Tim.

=> Tim runs faster than Peter does
4. John speaks French more fluently than I do.

=> I cannot speak as fluently as John can
5. He plays football better than me.

=> I don't play football as well as he does
6. Thanh works harder now than last year.

=> Last year Thanh didn't work as hard as he does now
7. He doesn't understand the lessons as well as last year.

=> Last year he understood the lessons better than he does now.
8. My sister usually gets up earlier than me.

=> I usually get up later than my sister does
9. Yesterday, Mr Pike didn't drink as much as Mr White.

=> Yesterday Mr White drank more than Mr. Pike did.
10. Mrs Na is a slower and more careful driver than I am.

=> Mrs Na drives more slowly and carefully than I do.

24 tháng 3 2018

Câu I: Rewrite the following sentences

1. His role is more important than mine

=> My role is not as important as his role

2. I can't swim as well as Jane

=> Jane swims better than me

3. We didn't do the test as fast as Linh

=> Linh did the test faster than us

4. Peter can't run as fast as Tim

=> Tim runs faster than Peter

5. Phong speaks English more fluently than I do

=> I don't speak English as fluently as Phong

6. We don't know a lazier person than her

=> She is the laziest person we've ever known

7. Nothing is more interesting than football

=> Football is the most interesting thing

8. I am 20 years old. My brother is 40 years old

=> My brother is older than me

9. Phong speaks French more fluently than Thuy

Thuy does not speak French as fluently as Phong

24 tháng 3 2018

Câu I: Rewrite the following sentences

1. His role is more important than mine

=> My role............isn't as important as his.......................

2. I can't swim as well as Jane

=> Jane.................. swims better than me...........................

3. We didn't do the test as fast as Linh

=> Linh did................the test faster than us..........................

4. Peter can't run as fast as Tim

=> Tim runs..................faster than Peter.............................

5. Phong speaks English more fluently than I do

=> I...............................don't speak English as fluently as Phong does..............................

6. We don't know a lazier person than her

=> She is......................the laziest person we know..................................

7. Nothing is more interesting than football

=> Football.......................is the most interesting.....................

8. I am 20 years old. My brother is 40 years old

=> My brother.....................is older than me...........................

9. Phong speaks French more fluently than Thuy

Thuy does.........................not speak Frnch as fluently as Phong...........................

27 tháng 11 2017

a) 68 + 11 x 205 .... 68 x 11 + 205

=       2323 > 953

Vậy 68 + 11 x 205 > 68 x 11 + 205

b) 89 x 11 + 715 .... 89 + 11 x 715

=     1694  < 7954

Vậy 89 x 11 + 715 < 89 + 11 x 715

a) 68+11*205>68*11+205

b)89*11+715<89+11*715

9 tháng 7 2016

<iframe width="560" height="315" src="https://www.youtube.com/embed/YykjpeuMNEk" frameborder="0" allowfullscreen></iframe>

9 tháng 7 2016

- Ko dc đâu tui thử òi