1 A balanced lifestyle can lead to improved health if it is adopted consistently.

2 Harry apologized to his mom for not having returned home on time.

3 It is obligatory for us to attend the mandatory training session.

4 It has been two months since he last experienced a family quarrel.

5 Susan's failure to understand the math problems made her feel frustrated.

Question 1. A balanced lifestyle can lead to improved health if we adopt it consistently. (adopted)

=> A balanced lifestyle can lead to improved health if it is adopted consistently

Question 2. “I’m sorry for not returning home on time, Mom”, Harry said. (apologized)

Harry apologized to his mom for not returning home on time

Question 3. We are obligated to attend the mandatory training session. (to)

It is obligatory for us to attend the mandatory training session

Question 4. He hasn’t experienced a family quarrel for two months. (last)

The last time he experienced a family quarrel was two months ago

Question 5.  Susan failed to understand the math problems. That made her feel frustrated. (failure)

Susan's failure to understand the math problems made her feel frustrated.

Question 1. Member nations/ have / reason / attend / summits / discuss /shared goals.

Member nations have a reason to attend summits to discuss shared goals

Question 2. His respiratory health /gradually / become / better / since / he quit / smoke.

His respiratory health has gradually become better since he quitted smoking

Question 3. It / forbidden / litter / public places / Vietnam / keep the environment / clean. 

It is forbidden to litter in public places in Vietnam to keep the environment clean

Question 4. During / holiday season, / the city /  look / festive / joyful, / decorate / with / lights and decorations.

During the holiday season, the city looks festive and joyful, decorated with lights and decorations

Question 5. My mom / charge / resolve / family argument / find / solution.

My mom takes charge to resolve family arguments and find solutions

1.Member nations have a reason for attending summits to discuss shared goals.

2.His respiratory health has gradually become better since he quit smoking.

3. It is forbidden to litter in public places in Vietnam to keep the environment clean.

 4.During the holiday season, the city looks festive and joyful, decorated with  lights and decorations.

 5.My mom was in charge of resolving the family argument and finding a solution.

Bài 1: Giải:

Từ 1 ⇒ 9 có số trang là : (9 - 1) x 1 + 1 = 9(trang)

⇒ Từ 1 đến 9 cần đánh số chữ số là: 9 x 1 = 9(chữ số)

Từ 10 ⇒ 99 có số trang là: (99 - 10) x 1 + 1 = 90(trang)

⇒ Từ 10 đến 99 cần đánh số chữ số là: 90 x 2 = 180(chữ số)

Từ 100 ⇒ 452 có tổng số trang là: (452 - 100) x 1 + 1 = 353(trang) 

⇒ Từ 100 đến 452 cần đánh số chữ số là: 353 x 3 = 1059(chữ số)

⇒ Vậy phải đánh tổng các số chữ số là: 9 + 180 + 1059 = 1248(chữ số)

Vậy người cần đánh 1248 chữ số.

Đ/số:.....

Bài 4: Bài giải:

Dãy số trên có tất cả các số hạng là: (2020 - 10) : 3 + 1 = 671(số hạng)

Đáp số: 671 số hạng

- I have subjects is music, art,Vietnamese and math on Wednesdays.

-I have English on Mondays

-It's math

-Because I want to be a math teacher

-Yes ,I was.

-My school is in the district

-There are twenty classrooms in my school.

-I like computeroom in my school

- My favorite subjects is music

-I have English on Mondays

-It's math

-Because I want to be a math teacher

-No,I wasn't

-My school is in the district

-There are twenty classrooms

-I like computeroom in my school

a á ớ

đọc thấy rối quá ạ

(em mới lớp 5 ạ)

chúc mn giải đc nha

4096576

Cô cho em 10 coin đi ạ

Cô cho em 10coin e xin cảm ơn trước 

Em chúc các thầy, các cô luôn mạnh khoẻ, tiền vào như nước, sống thọ 100 tuổi và chúc các thầy, các cô có ngày 20-11 vui vẻ ạ.

Em chúc các thầy, các cô luôn mạnh khoẻ, tiền vào như nước 

Em muốn nhận

coin thì đc bao nhiêu hả cô

Hi chúc mọi người có ngày quốc tế vui vẻ^^!

em cảm ơn ạ chúc mọi người có 1 ngày quốc tế vuiii vẻ nhaa