a/ 70,5 : 45 - 36,6 : 45
= (70,5 - 36,6) : 45
= 33,9 : 45 = 113/150
b/ 23,45 : 12,5 : 0,8
= 23,45 : (12,5 . 0,8)
= 23,45 : 10 = 2,345
a) 70,5 : 45 - 36,6 : 45
= 33,9 : 45
= $\frac{113}{150}$
b) 23,45 : 12,5 : 0,8
= 23,45 : (12,5 × 0,8)
= 23,45 : 10
= 2,345
Chúc học tốt!!!
Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits blank (17). Do you know about the history of Jeans? Jeans are very popular with (17)________people all over the world. Some people say that jeans are the “uniform” of youth. But they haven’t always been popular. The story of jeans (18)________almost two hundred years ago. People in Genoa, Italy made pants. The cloth made in Genoa was (19)________“jeanos”. The pants were called “jeans”. In 1850, a salesman in California began selling pants made of canvas. His name was Levi Strauss. Because they were so strong, “Levi’s pants” became (20)________with gold miners, farmers and cowboys. Six years later Levis began making his pants with blue cotton cloth called denim. Soon after, factory (21)________in the US and Europe began wearing jeans. A: poor B: old C: young D: rich
81. Jenifer: -"Do you have a minute, Dr. Keith?" –Dr. Keith "________" A. Sorry, I haven't got it here.B. Good, I hope so. C. Sure. What's the problem?D. Well. I'm not sure when. 82. Sue: “I love comic books.” Alice: “__________.” A. I do, tooB. No, I won’tC. Yes, I like itD. Neither do I 83. Mary: “I’ve got an interview for a job today.” Peter: “__________.” A. Thank youB. The same to youC. Good luckD. See you 84. -Ellen: “__________?” -Tom: “He is tall and thin with blue eyes.” A. What does John look likeB. How is John C. How is John doingD. Who does John look like 85. Mai went to Lan’s house at lunch.— Lan: “Would you like something to eat? “ -Mai: “___________ “ A. No, thank you. I have just had B. No, thanks. I’m full C. It’s good. D. No, thanks but I don’t agree 86. Andy meets Brian at the break of a meeting. Andy: “More coffee? Anybody?” – Brian: “ _____________.” A. I don’t agree, I’m afraid B. I’d love to C. Yes, please D. It’s right I think
Tìm số tự nhiên có 4 chữ số abcd biết nó thỏa mãn 3 điều kiện sau : 1. c là chữ số tận cùng của số M = 5+5^2+5^3+....+5^100+5^101 2.abcd chia hết cho 25 3.ab =a+b^2
Cao nhân chỉ giúp em với. Tự nhiên đang làm cái ngu ra rồi :(
1, tìm các số nguyên x,y bt : a, x/15=15/-25 b, 36/y=44/77 2, tìm các số nguyên x, y, z, t, u: 4/3=12/9=8/x=y/21=40/z=16/t=u/111 3, có thể khẳng định các cặp phân số sau đây k bằng nhau vì sao : -4/7 và 4/7 5/-7 và 20/28 -15/-40 và -12/32 ai trả lời nhanh nhất tớ vote 5* và cảm ơn cho ak tớ đag cần gấp ak
Mọi ơi giúp mình nhé! Ai giúp mình thì mình hậu tạ rất nhiều
Read the text and decide if each of the following statements is True (T) or False (F). When people talk about Nha Trang, the biggest city in Khanh Hoa Province, they often think of a tropical paradise. Nha Trang is famous for seaside resorts. It has long coastline with beautiful white sandy beaches. In the morning and afternoon, tourists can take part in various fascinating outdoor activities such as mud bathing, swimming, snorkeling or scuba diving. Snorkeling and scuba diving are both interesting sports, as swimmers may swim underwater and admire the lives at the bottom of the sea. Besides, tourists can also take boat trips to the islands. One of the most enjoyable trips is the trip to Mieu Island, where Tri Nguyen Aquarium was built in 1999. This aquarium is now home to different kinds of colorful fish and even a few sharks. In addition, tourists can spend an evening visiting a fishing village, where they could get a taste of the local seafood. There are crabs, shrimps, lobsters, dams, oysters and several other kinds of fish – all are fresh and delicious. 31. According to the passage, Nha Trang is famous for _______________. A. its fresh and delicious seafood B. seaside resorts C. its tropical climate D. the friendliness of its people 32. Tourists can take part in one of various fascinating outdoor activities such as _________. A. visiting Nha Trang Paster Institute B. eating the local seafood C. visiting Tri Nguyen Aquarium D. scuba diving 33. At Tri Nguyen Aquarium, visitors can enjoy ________________. A. watching a few sharks only B. swimming underwater and admiring the fish C. watching sharks and various kinds of colorful fish D. feeding the fish 34. At a fish village, tourists can ________________. A. get a taste of the local seafood B. choose crabs, shrimps C. catch the fish and cook them D. enjoy fishing 35. Which of the following sentences is NOT true about Nha Trang according to the passage? A. Nha Trang is a nice seaside resort. B. Tri Nguyen Aquarium is on an island. C. Most tourists are interested in snorkeling. D. The local seafood is fresh and delicious.
you say,don't swim here ,it's very deep and it also has rocks
Làm cho mình câu 3,4 phần tự luận
Bài 1: Tìm các số tự nhiên a biết: 35634 x a < 142535 426 x a < 1705 mk ko nhớ cách trình bày, giúp mk nha
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến