user-avatar
duongmai018
2 năm trước
d) ( 3 - x0 ) . ( x.y +5 ) = -1 e) / x - 1 / ./ y + 1 / = 2 g) ( x - 7 ) . ( y + 2 ) = 0 . là dấu nhân nha ai trả lời cũng cho 5*
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. Minh and his sister ……………..…. in the house. A. is B. are C. am 2. ………………….. do you spell your name? - M-A-I, Mai. A. How B. Where C. What 3. Is your father an engineer? Yes, …………… A. It is B. he is C. they are. 4. What …….….. Miss Oanh do? …………… is a doctor. A. does/ she B. is/ she C. does/ he 5. Is this your desk? Yes. It is …………………... desk. A. this B. your C. my 6. What’s his name? ....................................... name is Ba. A. her B. his C. my 7. How old are you? ............................................... A. I’m fine, thanks. B. This is Lan. C. I’m eight 8. How many ……...............................are there on the shelf? There is one. A. stereoes B. stereos C. stereo 9 -……..…. they twelve? - No, they…..……….. A. Are/aren’t B. Aren’t / are C. Are/ are. 10. Where do you live? I live ……………………Viet Nam. A. on B. in C. at 11. What are these? ……………………….. are stools. A. There B. It C. They 12. Who is this? This is ……………..……………… A. my sister B. an armchair. C. my classroom. V.Fill in the blanks with these words: (I, we, you, she, he, it, they, my, our, her, his, its, their.) 1. I'm Quang. This is....................sister...............name is Lan. ......….is a doctor. 2. Mr Tan is a teacher.......................is thirty-eight years old. 3. Nga and Mai are students. .................... are in the room. 4. What is this? .................is a couch. 5. How old are ................, Linh? -................ is eleven years old. 6. That is his cat. ...............................name is Kitty. 7. Dung and I are students. ...................are in the classroom. 8. What do .................... do? - I'm an engineer. ---------------The End--------------------- giúp mình với cảm ơn bn trước nhé

Exercise 4: Complete the second sentence so that it has the same meaning as the first one. 1. This last time she came back to her hometown was 4 years ago. => She hasn't come back to her hometown since 4 years ago ............................................................................................................ 2. He started working as a bank clerk 3 months ago. => He has worked as a bank clerk since 3 months ................................................................................................................. 3. It has been 5 years since we first flew to Singapore. => We have been ................................................................................................................ 4. I last had my hair cut in November. => I haven't ha................................................................................................................ 5. The last time we called each other was 5 months ago. => We haven't............................................................................................................. 6. It is a long time since we last met. => We haven't............................................................................................................. 7. When did you have it? => How long...........................................................................................................? 8. This is the first time I had such a delicious meal. => I have never................................................................................................................ 9. I haven't seen him for 8 days. => The last................................................................................................................ 10. To day is Saturday. I haven't taken a bath since Wednesday. => It is........................................................................................................................ Exercise 5 : There is one mistake in each sentence. Underline and correct the mistake. 1. I haven’t cutted my hair since last June. ………………………………………….. 2. She has not working as a teacher for almost 5 years. ………………………………………….. 3. The lesson haven’t started yet. ………………………………………….. 4. Has the cat eat yet? ………………………………………….. 5. I am worried that I hasn’t still finished my homework yet. ………………………………………….. 6. I have just decided to start working next week. ………………………………………….. 7. He has been at his computer since seven hours. ………………………………………….. 8. She hasn’t receivedany good news since a long time. ………………………………………….. 9.My father hasn’t playedany sport for last year. ………………………………………….. 10. I’d better have a shower. I hasn’t hadone since Thursday. Ex 6 : Give the correct form of the words provided. 1.I think staying at home all day is _____________ because I don’t know what to do. BORE 2.It is ______________to eat a lot of sweetened food and drinks. HEALTH 3.I love _____________ pottery because it is challenging. MAKE 4.Many people do volunteer work because it can make a ________in their community. DIFFER 5.Some students usually teach street ______________English in the summer. CHILD. 6. My father’s friend is a great . ____________________ (PAINT) 7. English is an____________________ and important subject. (INTEREST) 8. Ba is a famous stamp_____________ ( COLLECT)

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team