Đáp án:
`30^{141}>29^{138}`
Giải thích các bước giải:
`30^{141}>30^{140}>29^{140}>29^{138}`(Tính chất bắc cầu)
Vậy `30^{141}>29^{138}`
Calli: Sinh học _Hóng mấy idol_
Viết 1 đoạn văn nói về những việc làm của các thành viên trong gia đình bằng tiếng anh
1: Một dung dịch chứa 0,02 mol Cu2+, 0,03 mol K+, x mol Cl– và y mol SO42–. Tổng khối lượng các muối tan có trong dung dịch là 5,435 gam. Giá trị của x và y lần lượt là : A. 0,03 và 0,02. B. 0,01 và 0,03. C. 0,02 và 0,05. D. 0,05 và 0,01. Giải ra giúp mình nha !!
Exercise 2: Write a paragraph about your daily activities: *Cues: + In the morning: - time to get up?/ have breakfast?/ go to school? - time the class starts / finishes? - things you do after school? + At noon: - lunch time? - things you do after lunch? + In the afternoon: - things/work you do in the afternoon? + In the evening: - dinner time? - things you do after dinner? - time to go to bed?
Làm nhanh giúp em với ạ, xin cảm ơn trước ạ !🤧
3.I can't find my notebook. Somebody __________________ it! (1 Point) has moved moved is moving 4.He __________ piano lessons when he ____________ a teenager. (1 Point) takes / is took /was has taken/was 5.Anne: Did you like the film “Lord of the Rings?” Mary: “Yes, I _________ it several times.” (1 Point) see saw have seen 6.Paul: “_________________ to London” Nam: “No, not yet. What it’s like” (1 Point) Are you going Did you go Have you ever been 7.John __________________ home when he went to college. (1 Point) leaves left has left 8.Modern medicine ___________________ the lives of millions of people. (1 Point) save are saving has saved 9.They __________ a volunteer project to help children in mountainous areas a few years ago. (1 Point) started have started start 10.I (wash) the dishes yesterday, but I (have) no time yet to do it today. (1 Point) washed - had have washed - have had washed - have had 11.I (not/ see) Peter since I (arrive) last Tuesday.Immersive Reader (1 Point) didn't see - arrived haven't seen - arrived haven't saw - arrived
Giải mình đầy đủ nhé, mình sẽ vote 5 sao
Model making is a wonderful way of spending time alone or even with your family. Model making means making very small replicas of real life objects. You can make models of many things in the world. But the most popular models are models of people, aircraft, and war machines like tanks or ships. Another very popular type of model making is architectural. It means that people make models of buildings and even groups of buildings. The first thing to do is to identify the item you like the most. It should be practical and affordable. For example, once you have decided that you would like to make a model plane, you could go to a hobby store in your neighbourhood and check out the different model planes available there. Those planes will be in kit form and you will have the joy of assembling the full model plane. If you are new to this hobby, you should choose something simple to start with. 1. What does model making mean? - 2. Can people make models of almost anything? 3. Where can you find various models? 4. Is it unusual for people to make architectural models? 5. What should you choose if you are new to a hobby? GIÚP EM VỚI Ạ EM ĐANG CẦN GẤP !!! EM CẢM ƠN
Bài hát số 1 lớp 6 1.Có mấy nốt vao độ ,về trường độ có hình nốt gì ? 2.Âm thanh tính nhạt gồm có mấy thuộc tính? 3.Khuôn 1 và khuôn 2 khác và giống nhu và khác nhau ở những nốt nào ?
Vì sao xương cứng chắc và dẻo dai ?
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến