Lời giải và đáp án:
`a)` `|x-4|>6`
`+)` Nếu `x>0`
`|x-4|>6`
`<=>` `x-4>6`
`<=>` `x>10`
`+)` Nếu `x<0`
`<=>` `x-4<-6` `(` vì `x<0` `)`
`<=>` `x<-2`
Vậy `x>10` và `x<-2`
`b)` `|x-3|<5`
`<=>` `-5<x-3<5`
`<=>` `-2<x<8`
Vậy `-2<x<8`
` ∣x−4∣>6 `
`+)`Nếu `x > 0`
`⇒ ∣x−4∣ > 6`
`⇔ x - 4 > 6`
`⇔x > 10`
`+)` Nếu `x < 0`
`⇒ ∣x−4∣ < 6`
`⇔ x-4 < -6 ( x < 0 )`
`⇔ x < -2`
Vậy \(\left[ \begin{array}{l}x>10\\x<-2\end{array} \right.\)
`∣x−3∣<5`
`⇔ −5<x−3<5`
`⇔ −2<x<8`
Vậy `−2<x<8`
Sửa lại chỗ sai luôn nhé Nhanh lên nha giúp tôi
IX. Find the word which has a different sound in the part underline. 1. A. prefer B. better C. teacher D. worker 2. A. bear B. hear C. dear D. near 3. A. collect B. concern C. concert D. combine 4. A. absent B. government C. dependent D. enjoy 5. A. future B. return C. picture D. culture X. Complete the sentences with the words in the box. basketball books chess films music photography skating swimming 1. I really like ……………………… - especially in the sea. 2. I’m interested in ………………….. . My favourite band is T-ara from Korea. 3. I love …………………… . I go to the cinema every weekend. 4. I really like …………………… . I don’t play it, but I watch matches on TV. 5. My hobby is ………………………. . I have a new camera. 6. I love ……………………. . My favourite writer is To Hoai. 7. I really love …………………………. in the park with my friends XI.Complete the passage. John (1) ……………. a lot of hobbies. He (2) …………… chess at school and he also (3) …………… skating. After dinner, he goes (4)……….. a walk and he (5) …………. to music every evening in his room. John loves sports. He (6)………..athletics at school, and he plays football after school. (7…………. Saturdays, John and his friends (8)……….. swimming. On Sundays, they play basketball (9)…………. the park. On Sunday evenings, they sometimes (10)……………………..a film. XII. Choose the correct answer A, B, c or D to fill each blank in the following passage. Coin collecting is one of the most popular hobbies in the world. Most coin (1) ……… enjoy trying to have a complete set of a country’s coins. Some people collect coins for pleasure; (2) …………. collect coins in order to sell them later. From coins, we can also (3) …………. something about certain famous people and events in a country’s (4)…………... Many beginning collector go to the bank and buy coins. Then they (5) …………. coins for their collection. 1. A. collectors B. collecting C. collected D. collections 2. A. another B. other C. others D. the other 3. A. teach B. learn C. give D. offer 4. A. history B. nature C. science D. geography 5. A. look B. see C. watch D. find XIII. Read the passage, and then choose the best answer. Along with jogging and swimming, cycling is the best all-round forms of exercise. It can help to increase your strength and energy, giving you a stronger heart. You don’t carry the weight of your body on your feet when cycling. It is also a good form for people with a pain in your feet or your back. You should start your hobby slowly. Doing too quickly can have bad effects. You should cycle twice or three times a week. If you find you are in pain, you will stop and take a rest. 1. Why is cycling a good form of exercise? 2. Why might people with a pain in the back go cycling? 3.What will happen if you do too quickly? 4. How often should you go cycling? 5. What will you do if you find you are in pain?
Trắc nghiệm hóa dễ lắm vote5*(không cần rõ ràng)
VI. Complete the sentences, using the -ing form of the given verbs. (Hoàn thành các câu sau, sử dụng động từ đuôi –ing của các động từ cho sẵn.) do / stay / try / take / go(x2) / collect / eat / watch / plant 1.We enjoy ……………… for a walk around the lake every evening. 2.My friend Jenifer loves …………………………..unique things. 3.Most of my friends don't like …………………..homework at the weekend. 4.Do you like …………………………flowers in the balcony? 5.I hate …………………… outdoors in the summer. It's so hot. 6.I don't like …………….. challenging sports like ice skating or surfing. 7.My cousin David adores …………………. photos. He has got an expensive camera. 8.Who dislikes ……………………………..films on TV? 9.Does Laura hate ……………………………… noodles? 10.My mother detests ………………………………..by bus because she can be carsick. VII. Write sentences using prompts. 1.Tuan/ not/ like/ cook. …………………………………………………………………………………………………. 2.My brother/ like/ play/ table tennis. …………………………………………………………………………………………………. 3.Minh/ hate/ eat/ apples. …………………………………………………………………………………………………. 4.Ha/ dislike/ play/ the piano. …………………………………………………………………………………………………. 5.My parents/ really love/ garden. …………………………………………………………………………………………………. 6.you/ fancy/ dance? …………………………………………………………………………………………………. 7.I/ not/ fancy/ eat/ noodles. …………………………………………………………………………………………………. 8.My dad/ detest/ watch/ Korean films. …………………………………………………………………………………………………. 9.My mum/ adore/ ride/ her bike to work. …………………………………………………………………………………………………. 10.I/ enjoy/ talk/ to my friends in my free time. …………………………………………………………………………………………………. VIII. Put the word into the correct column according to the underlined part. again camera bird word learn turn girl natural world first third signal heard yesterday final assistant birthday sir neighbor culture /ə/:……………………………………………………………………………………… ……………………………………………………………………………………………. /ɜ:/:……………………………………………………………………………………… …………………………………………………………………………………………….
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Hãy giúp mk đi mà thanks bạn ...
IV. Fill in each blank with the correct form of the verbs in brackets, using present simple and future simple. It's wonderful to have a hobby to do for pleasure in your free time. My favourite hobby is gardening. I love watching flowers and eating vegetables, so I (1)………………… (grow) a lot of plants in my garden. I usually (2) ………………………(water) them in the early mornings. Sometimes my mother also (3) ……………….(help) me care them and my father (4) ……………………….(take) me to the market to buy seeds. I often (5)……………….. (read) books to understand more about gardening. This weekend I (6) ………………….(harvest) carrots and cabbages. Do you know how eager I am? I (7) ………………….(give) some of them to my grandparents. Also, I (8) ……………………….(take) photos of them and post on Facebook. Let's wait and see! V.Write meaningful sentences using prompts. 1.Jane/ often/ play board games/ with her friends/ at school. …………………………………………………………………………………………………. 2.you/ join/ our English club/ this Sunday? …………………………………………………………………………………………………. 3.Justin/ not/ take/ part in my birthday party/ next week. …………………………………………………………………………………………………. 4.My family/ travel/ to Da Nang/ for next year's summer holiday. …………………………………………………………………………………………………. 5.We/ not/ visit/ our grandparents/ frequently. …………………………………………………………………………………………………. 6.How often/ you/ go/ cycling? …………………………………………………………………………………………………. 7.you/ go/ to the cinema/ with me this Sunday? …………………………………………………………………………………………………. 8.Ngoc/ buy/ a camera/ next year. …………………………………………………………………………………………………. 9.My grandmother/ always/ keep/ old bottles for me. …………………………………………………………………………………………………. 10.My ft ………………………………………………………………………………………………….
Giúp mình trắc nghiệm hóa dễ lắm vote 5* và câu trả lời hay nhất lunn(không cần rõ ràng)
cho e xin bài phân tích đồng chí (có Mở bài thân bài kết bài) kèm liên hệ với ạ
phân tích đa thức thành nhân tử (a+b)^2+4ab
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