Đáp án:
b=5
Giải thích các bước giải:Gọi số đó là b, ta có:b x 1236 + 15 = b x 1239=>b x 1239 - b x 1236 = 15=>b x (1239 - 1236) = 15=>b x 3 = 15=>b = 15 : 3=>b = 5
Giải thích các bước giải:
Gọi số đó là x. Ta có. Xx 1236+15 =Xx1239. X×1239-X×1236=15. X×(1239-1236)=15. X=15:3. X=5
cho tam giác ABC có AB=4, BC=6, AC=5. Phân giác BD a)Tính AD, DC b)Vẽ AM // BC(M thuộc BD). Tính AM? c) Trên tia đối của tia BC lấy N sao cho BN=BC. Vẽ BE vuông góc với BD(E thuộc AN). Tính tí số AE/NE
Choose the underlined words or phrases that are not correct in standard written English. 25. She asked me if had I a driving licence. A B C D 26. He met many friends which encouraged him in his work. ABCD 27. My friend, Tam was injured in a car accident but he didn’t drive carefully. A B C D 28. I think we should taking a shower instead of a bath to save energy. AB C D Rewrite the sentences to make them have the same meaning as the original one 29. Hoa said to me, “Where will you spend your holiday?” Hoa________________________________________________________ 30. He got bad marks because he didn’t study hard. He didn’t__________________________________________________ 31. It’s a pity. I don’t live near my school. I wish_______________________________________________________ 32. Her mother has washed the clothes for two hours. The clothes__________________________________________________ Rearrange the word or phrase in the right order to have meaningful sentences. 33. is disappointed that/ have spoiled/ Mr. Brown/ this area/ people _________________________________________________________________ 34. by the river/ lies near / His village/ of the mountain and/ the foot / _________________________________________________________________
Mk ko biết làm bài này các bạn giúp mình với mk hứa vote 5 saonha
chứng minh rằng đoạn 3 của bài thơ có thể coi là một bức tranh tứ bình lộng lẫy
lm giúp bài nào cũng đc mk sắp thi rồi nhé!!!
I.Choose the word whose underlined part is pronounced differently from that of the others in each group. 1) A.peaceful , B.pleasure , C.sleepy , D.cheap 2) A.blossom , B.chess , C.messy , D.passion 3)A.clothes , B.fireworks , C.scissors , D.mountains 4)A.stadium , B.place , C.paddy , D.lake 5)A.lunch , B.music , C.unpopular , D.study II.Fill in each blank with ONE appropriate word. 1.Minh's father is a farmer.He works on the............................ 2.Mary and I would like to........................................English speaking club. 3.Lan can't reach the book on the shelf....................................she is short. III.Complete the second sentence so that it means the same as the first one. 1.She goes to work at eight forty-five. =>She goes to work at fifteen................................................. 2.It's against the rules to use your mobile phone in class. =>You.......................................................................................... 3.We have a two-month summer vacation. =>Our summer vacation lasts..............................................................
1. When I/ a child, I/ used/ go/ the local park every Saturday afternoon. ……………………………………………………………………………………………… 2. It/ not/ necessary/ bring skis as they/ included/ the package. …………………………………………………………………………………………… 3. The students/ believed/ be educated/ England. ……………………………………………………………………………………………… 4. I wish that I / have time/ read lots/ books. ……………………………………………………………………………………………… 5. By the time James/ get up this morning, there / be/ no sandwiches left. ……………………………………………………………………………………………… 6. My Dad/ suggest/ I/ learn/ Spanish. ……………………………………………………………………………………………… 7. We/ relieved/the rain/ finally/ stop. ……………………………………………………………………………………………… 8. He/ suggest/ travel/ together/ safety, since the area/ so dangerous. ……………………………………………………………………………………………… 9. The farmers/ my home village/ not/ use/ transport rice home/ trucks. They/ use/ buffalo- driven carts. ……………………………………………………………………………………………… 10. He/ wish/ he/ will have one more billion dollars. ………………………………………………………………………………………………
Read the following passage and answer the questions More than 80% of American high school students work at part-time jobs in the evenings, on weekends or in summer. These part-time jobs bring teenagers great advantages. One of the benefits of the work is the students can learn the skills that will be useful for the rest of their lives. When they work, they have to manage both the job and schoolwork. To be able to do so, they must be very organized and able to keep a sensible schedule. They also learn to cope with the job stress apart from the stress of the schoolwork. Some of the most stressful jobs include teaching, nursing, and police work. These skills help prepare teenagers for their later careers. High school students who work are more likely to succeed as adults than people who enter the job market at a later age with no work experience. Teenagers want a lot of expensive things: clothes, mp3 players, trips with their friends, etc. Not all parents can afford them. And even if they can, the teens might not really appreciate that money because they did not earn it. When teenagers make money for themselves, they know its true and are less likely to spend it foolishly. 21. Which of the following is a good title for the passage? A. Why teenagers should work B. Advantages and disadvantages of part-time jobs C. Part-time jobs cause stress D. Part –time jobs can be useless 22. According to the passage, what is NOT an effect of part-time jobs? A. Teenagers become organized. B. Teenagers become stressed. C. Teenagers are more likely to have successful careers. D.Teenagers can make money for themselves 23. The word “cope with” in the passage is closest in meaning to ______. A. fight against B. deal with C. suffer from D.take care of 24. According to the passage, which of the following is TRUE? A. Only some US students do part-time jobs. B. US students suffer part-time job stress. C. Part-time jobs are somehow good for teenagers. D.Most US students don’t like part-time jobs.
cho các số thực không âm a,b,c thỏa mãm a+b+c=1.tìm giá trị lớn nhất và giá trị nhỏ nhất của biểu thức : P=(ab+bc+ca-abc)/a+2b+c
Câu 6: Tìm chỉ từ trong những câu sau và xác định chức vụ các từ ấy. a, ''Vua cha ngẫm nghĩ rất lâu rồi chọn hai thứ bánh ấy đem tế Trời, Đất cùng Tiên Vương''. b, '' Từ đó nhuệ khí của nghĩa quân ngày một tăng''.
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến