Cau 2:

\(a,\Rightarrow\dfrac{3}{7}x=\dfrac{1}{3}\Rightarrow x=\dfrac{7}{9}\\ b,\Rightarrow x=\dfrac{-16.15}{20}=-12\\ c,\Rightarrow\left|x-\dfrac{2}{5}\right|=2,25=\dfrac{9}{4}\\ \Rightarrow\left[{}\begin{matrix}x=\dfrac{9}{4}+\dfrac{2}{5}=\dfrac{53}{20}\\x=-\dfrac{9}{4}+\dfrac{2}{5}=-\dfrac{37}{20}\end{matrix}\right.\\ d,\Rightarrow x+\dfrac{1}{2}=-\dfrac{7}{4}\Rightarrow x=-\dfrac{9}{4}\)

I like English the most and I will share with everyone how to study English effectively without getting bored.

   1. If we often watch TV every day, we should watch movies in English or read some books or stories to improve our listening and reading skills.

   2. Buy an English pack to learn with pronunciation and writing so we can pronounce English correctly and rarely make spelling mistakes

   3. Join the dance or singing activities in English at school or at home so that you can both show your own talents and reduce boredom while learning English.

Here are my sharing on the most effective way to learn English without getting bored. I ask the teachers to choose my lesson

English is a popular and important language today. If you have English as a second mother tongue, then great, all success will come to you. But what about the opposite, everything is deadlocked if you are a fresh graduate who needs a job to think logically with English. Here is Hai 's full English experience:

-Learn English vocabulary.(Every day 10 words is enough to break naxo^-^)

-Learn sentence patterns, English structures. (Don't be discouraged)

-Learn to speak English (Sweet Western accent needs to be shown at this time.)

-Learn to chase, imitate native speakers.

-Listen to English music.

-Read English newspapers (Actually, I'm too lazy)

-If you really need an English degree, you should sign up for a reputable course. The real thing to do is you have to be interested in it, passionate about it.

(I'm a person who loves my mother tongue, so I won't use hello much).

Everyone, please refer.

- When studying vocabulary, I recommend making a book to read once a day and remembering something amusing to help you remember the English word.
- Put the grammar structure on the screen of an iPad, phone, or computer, or wherever else we'll see it often.
- Be able to communicate easily in English, as if you were an Englishman. He needs to listen to a lot of your music and watch a lot of English movies...
- He needs a peaceful place to study away from things like zalo, instagram, tiktok, shoppe, and tiki....
- When studying unfamiliar words, we should look them up and listen to how to read them before taking notes
 (the following are my methods; if anyone has any suggestions, please let me know).

ai giúp em với ạ ngày kia thi rồi mà đề ôn chưa xong

anh

Câu 6:C

Câu 7:

2,05 ha > 2,005 dm²

150 phút > 1/4 giờ

Câu 11 :

a)Đ

b)S

c)Đ

d)Đ

MN NG GIẢI CHI TIẾT GIÚP E VS

Theo mình là như thế này : 

Việc đặt tên nước là Vạn Xuân thể hiện mong ước của Lí Bí , mong ước của nhân dân ta mong muốn nền độc lập mãi trường tồn .

Các bạn tham khảo câu trả lời của mình rồi đóng góp ý kiến nhé . 

-Việc đặt tên nước là vạn xuân:

+Thể hiện ước muốn của Lý Bí,muốn độc lập dân tộc được trường tồn.

+Khẳng định ý chí giành độc lập của nhân dân ta.Mong đất nước yên vui,thanh bình như 1 vạn mùa xuân.

theo mk là thế 

hk tốt

Lí Bí muốn thể hiện sự:

+nhân dân ta đc hạnh phúc ,vui vẻ như mùa xuân

+độc lập tự do mãi mãi

hok tốt!

........nhé

rất tiếc,mình mới học lớp 5 thui ạ

Chị hỏi cái gì

học lớp 5 thì đừng có trả lời