quy đồng mẫu thức phân thức sau 3+2x/10x^4 , 5/8x^2y^2 , 2/3xy^5 Mình mong các bạn giải thích cho mình kĩ về cách tìm MTC của phân thức này vì mik bị mất gốc phần BCNN từ hồi lớp 6:((.Cảm ơn

1.Phân bào có sao ở tế bào động vật là gì? 2.Chứng minh tế bào là đơn vị cấu trúc và đơn vị chức năng của cơ thể.

Read the passage and choose A, B, C, or D to indicate the correct answer for each numbered blank. If you want to prepare yourself for great achievement and have more to (1) ________ to your education or your work, try reading more books. (2) ________ up some of the interestingly informative books and search for well - researched materials that can help you grow. We should encourage our children to read more books and spend less time watching TV. Some people have commented that this is inconsistent. "Why is the written word a superior way to get information than television?" That is (3) ________ interesting point of view worth further (4) ________. Reading is a skill that is in much greater demand than the demand for watching TV. There are no jobs that require a person to be able to watch TV but reading is an integral part of many jobs. The written word is an incredibly flexible and efficient way of communication. You can write something down and, in no time, it can be communicated to many different people. Not only that, we can (5) ________ vast amounts of information through reading in a very short time. A good reader can acquire more information in reading for two hours than someone watching TV can acquire in a full day. You are able to gain a lot of information quickly because you are a fast reader with good comprehension skills. It will save you massive amounts of time and you will be able to assimilate vast quantities of information. Question 1: A. gain B. gather C. collect D. contribute Question 2: A. Make B. Pick C. Set D. Take Question 3: A. a B. an C. the D. X Question 4: A. exploration B. explore C. explorer D. explorative Question 5: A. digest B. inhale C. breathe D. eat

mọi người giúp em với .Em cảm ơn ạ

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BT7: Chuyển các câu chủ động sau thành câu bị động: e. Người ta dựng hàng rào chắn quanh cây cổ thụ đó. f. Gió đẩy bèo trôi dạt vào bờ.

Tìm số nguyên tố p, sao cho số sau cũng là số nguyên tố: p + 2 và p + 10

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Giải hộ mình với mình ko bt làm

EXERCISES I. Fill in each blank with the correct preposition. 1. The price of electricity is going up ___ August. 2. They came to visit us ___ my birthday. 3. Did you have a good time ___ Christmas? 4. The children are really excited ___ their summer vacation. 5. We were very disappointed ___ the organization of the festival. 6. John missed a lot of lessons. He was ill ___ January to March. 7. Helen had said goodbye to everybody in the class ___ she left for the hometown. 1. ___ time ___ time I will examine you on the work you have done. A. From / to B. At / to C. In / to D. With / to 2. Lan will stay there ___ the beginning in September ___ November. A. from/ to B. till/ to C. from/ in D. till/ of 3. I would like to apply ___ the position of sales clerk that you advised in the Sunday newspaper. A. to B. for C. with D. in 4. Make a comment ___ this sentence! A. to B. in C. on D. about 5. He’s a very wealthy man; a few hundred pounds is nothing ___ him. A. for B. with C. to D. about 6. Mum is always busy ___ her work in the laboratory. A. with B. at C. in D. of 7. The clerk ___ that counter said those purses were ___ sale. A. in/ for B. at/ on C. at/ in D. on/ on 8. Don’t believe her! She just makes ______the story. A. of B. up C. out D. off 9. Old people like to descant ___ past memories. A. in B. with C. on D. for 10. You should comply ___ the school rules. A. to B. about C. with D. in