Đáp án + giải thích ạ. Em cảm ơn🥰🥰
mọi người giúp em với ạ keke cảm ơn ai giúp em nhíe 🥰🥰🥰
Chứng tỏ: A= 6/1.4+6/4.7+6/7.10+...+6/n(n+3) với n thuộc N*
Chuyên Sinh cứu em câu này với huhu
II.Chọn đáp án đúng. 1. There are many why it is important to have a hobby. A. answers B. reasons C. details D. facts 2. Will you making models in the future? A. pick up B. look for C. take up D. find 3. Do you think that hobby is and boring? A. easy B. difficult C. danger D. interesting 4. I love my sister’s paintings because she is very in using colours. A. careless B. care C. creative D. imagine 5. A hobby helps you to connect with people. A. other B. others C. another D. the other 6. I join a photography club, and all the members love a lot of beautiful photos. A. take B. taking C. make D. making 7. What does your father do his free time? A. in B. at C. on D. while 8. I think a hobby will always give you and help you . A. pleased - relax B. pleasure - relaxed C. pleased - relaxing D. pleasure - relax 9. You can share your stamps other collectors a stamp club. A. with - at B. to - at C. with - in D. to - in 10. I think this hobby does not cost you much, and you need is time. A. most B. all C. some D. all of 1. Nowadays people hours sitting in front of computers. A. take B. last C. set D. spend 12. I think you should take up swimming it is suitable for your health condition. A. so B. because C. although D. but 13. My family enjoys because we can sell vegetables and flowers money. A. garden - to B. gardening - for C. gardening - with D. garden - of 14. If your hobby is greeting card making, you can give your to your friends as presents. A. hobby B. money C. greetings D. products 15. My sister’s hobby is sewing, and she can get the sewing patterns from the magazines. A. fashion B. cooking C. sports D. science 16. My brother doesn’t like ice-skating because he thinks it is . A. danger B. in danger C. dangerous D. endangered 17. My sister is very keen on swimming, and she goes swimming three a week. A. time B. a time C. times D. timings 18. We often read the instructions carefully in order to make of the things we like best. A. meanings B. models C. copies D. uses 19. You need to be to follow eggshell carving because it may take two weeks to complete one shell. A. careful B. interested C. fit D. patient 20. If you choose sewing as your hobby, you will your own clothes. A. do B. make C. take D. get
Ai làm nhanh đúng 5 sao Phân tích các đa thức sau thành nhân tử
tìm số mol NaOH có trong 150 gam dd NaOH với nồng độ 12%
Ai trả lời nhanh nhất đc 30 điểm nha mn
Rút gọn biểu thức nha mn .Cảm ơn mn nhiều ạ
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