mk sẽ lk người nhanh nhé

I really want to tell you about my friend, one of my best friend is Tuan. We were  classmate during our five years at  Da Nang University of Technology. He was a good student of my class. He has black hair and bright eyes and is very good – looking. Tuan and I had many things in common, especially, our hobbies. We both traveling, billiard, table tennis, reading book and singing.

He has a kind heart and is easy to get on with everybody. The deeper our mutual understanding becomes the more we feel closely attached to each other. We are the best pupils in our class. Tuan is always at the top. He is good at every subject, but he never shows pride in his abilities and always tries to learn harder.

Tuan’s family is not rich. His parents are farmers. He often spends most of his free time doing useful things to help his parents. I Tuan very much because of his honesty and straight forwardness. He is always ready to help his weak friends in their study; as a result, lots of friends, thanks to his whole-hearted help, have become good ones

\(x^2+117=y^2\)

\(\Leftrightarrow x^2-y^2=-117\)

\(\Leftrightarrow\left(x-y\right)\left(x+y\right)=-117\)

\(\Leftrightarrow\orbr{\begin{cases}x-y=-1\\x+y=117\end{cases}}\Rightarrow\orbr{\begin{cases}x=58\\y=59\end{cases}}\left(1\right)\)

\(\Leftrightarrow\orbr{\begin{cases}x-y=1\\x+y=-117\end{cases}}\Leftrightarrow\orbr{\begin{cases}x=-58\\y=-59\end{cases}}\left(2\right)\)

\(\Leftrightarrow\orbr{\begin{cases}x-y=117\\x+y=-1\end{cases}}\Rightarrow\orbr{\begin{cases}x=-59\\y=58\end{cases}}\left(3\right)\)

\(\Leftrightarrow\orbr{\begin{cases}x-y=-117\\x+y=1\end{cases}\Rightarrow\orbr{\begin{cases}x=59\\y=-58\end{cases}}\left(4\right)}\)

Vậy ......

Talk to me: có nên dừng lại

bài chipu

tk cho mình nhé,thanks

có nghĩ là nói với tôi nhé 

chia dong tu

Five dimes [make]make fifty cents

Two 2's [make]make four

Two times two[make]make four

It [be]is her lies that[irritake]me so much

Noone[be]is eager to be examined the first

Among my favourite sports and hobbies, I swimming the best for several reasons. Firstly, I think playing in the water could bring great joy. It also helps reduce stress and I always feel refreshed and relaxed after swimming for about half an hour. Secondly, swimming is an excellent way to keep myself fit and healthy. It helps build up my muscle strength and prevent many heart and lung diseases. Finally, besides being a great sport, swimming is also an important survival skill, because without knowing how to swim well, it could be dangerous if there is a flood, or simply if we want to play near bodies of water. Many of such accidents have occured to teenagers lately. In conclusion, swimming will always be my preferred hobby because it is not only healthy and fun but also a life-saving skill.

 Dịch

Trong những môn thể thao yêu thích và sở thích của tôi, tôi thích bơi lội tốt nhất vì một vài lý do. Thứ nhất, tôi nghĩ rằng chơi trong nước có thể mang lại niềm vui lớn. Nó cũng giúp làm giảm căng thẳng và tôi luôn cảm thấy tươi và thư giãn sau khi bơi trong khoảng nửa giờ. Thứ hai, bơi lội là một cách tuyệt vời để giữ cho bản thân mình vừa và khỏe mạnh.Nó giúp tăng cường sức mạnh cơ bắp của tôi và ngăn ngừa nhiều bệnh về tim và phổi.Cuối cùng, ngoài việc là một môn thể thao tuyệt vời, bơi lội cũng là một kỹ năng sống còn quan trọng, bởi vì không biết làm thế nào để bơi tốt, nó có thể nguy hiểm nếu có một trận lụt, hoặc đơn giản là nếu chúng ta muốn chơi gần các vùng nước. Rất nhiều trường hợp tai nạn xảy ra cho thanh thiếu niên gần đây. Tóm lại, bơi lội luôn luôn là sở thích ưa thích của tôi bởi vì nó không chỉ là sức khỏe và thú vị mà còn là một kỹ năng cứu mạng.

STUDY WELL  

There is a lot of sports in the world, but my favorite sport is badminton. Badminton is great, when you play it, you will be healthy. I play it with my friends, but I often play it with my mom and my brother. After school, I play badminton. It makes me feel relax and I can study well after I play it. I play it because I will be fast when I play it. I love badminton so much.

phong and nam (1) are students

mk ngu anh lắm 

ko bt đúng hay sai nx 

nếu sai thì mk xin lỗi nhé

Phong and Nam (1) are students

ten + one - two

= eleven - two

= nine

ten+one-two=10+1-2=11-2=9(nine)

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