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5 tháng 10 2018

1. Children shouldn't play video games....in.... alonf time

2. Some children play video games.....at..... home, others play them, arcades

3. Children shouldn't spend much time ....on..... video games

4. It's bad....for.... kids to be....on..... their own so much

5. Children should take part...in...... outdoor activities. ....with...... their fridens

6. Children should be with people. ....at..... their own age

7. Videos are very useful....in..... education.

8. VCDs play misic and show video images....at.... the same time.

6 tháng 10 2018

VII. Dien gioi tu thich hop vao cho cham

1. Children shouldn't play video games in a long time

2. Some children play video games at home, others play them, arcades

3. Children shouldn't spend much time on video games

4. It's bad for kids to be on their own so much

5. Children should take part in outdoor activities with their fridens

6. Children should be with people in their own age

7. Videos are very useful for education.

8. VCDs play misic and show video images at the same time.

24 tháng 9 2018

Dien cac gioi tu thich hop vao cho cham

1. The regular activity is a 5km walk..to.. the beach ...on.. sunday morning

2.they take a walk instead. ..of... riding their bicycles

3. We carried out a survey....for... teenagers...in... the USA

8. Children should always swim.with. an adult

25 tháng 9 2018

Dien cac gioi tu thich hop vao cho cham

1. The regular activity is a 5km walk....to... the beach ...on...... sunday morning

2.they take a walk instead. ...of..... riding their bicycles

3. We carried out a survey.....for.... teenagers......in..... the USA

8. Children should always swim....with..... an adult

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16 tháng 10 2023

trước lạ sau quen

16 tháng 10 2023

đau nha bạn

 

Trước lạ sau quen

 

 

2 tháng 6 2016

Ta có: d = {0;1;2;3;4;5;6}

=> 2 \(\in\) d

=> 10 \(\notin\) d

2 tháng 6 2016

\(D=\left\{0;1;2;3;4;5;6\right\}\)

\(2\in D\)

\(10\notin D\)

1/20 ; 1/30 ; 1/42 ; 1/56 ; 1/72 ; 1/90 , Mình tích luôn cho

1/4 x 5 + 1/5 x 6 + 1/6 x 7 + 1/7 x 8 + 1/8 x 9 + 1/9 x 10

= 1/4 - 1/5 + 1/5 - 1/6 + 1/6 - 1/7 + 1/7 - 1/8 + 1/8 - 1/9 + 1/9 - 1/10

= 1/4 - 1/10

=3/20

17 tháng 1 2017

a7+8b<ab+78

29 tháng 3 2018

1. My friend, lan, lives in a big house on Nguyen Hue Street

2. she often gets up at 6 o'clock every morning and goes to bed at 10 at night

29 tháng 3 2018

1.in;on

2.at;at;at

6 tháng 11 2021

0,2 < 0,21;0,22;0,23;0,24 < 0,3