Một người mua hai loại hàng ngoại nhập và phải trả tổng cộng 1,67 triệu đồng, kể cả thuế nhập khẩu với mức 10% đối với loại hàng thứ nhất và 12% đối với loại hàng thứ hai. Nếu thuế là 11% đối với cả hai loại hàng thì người đó phải trả tổng cộng 1,665 triệu đồng. Hỏi nếu không kể thuế nhập khẩu thì người đó phải trả bao nhiêu tiền cho mỗi loại hàng ?

câu 1; S=2-5+8-11+...-29+32 câu 2; S=-1+5-9+13-...-41+45 câu 3; S=1-5+9-13+...+89+93 câu 4; S=2-4-6+8+10-12-14+16+...+74-76-78+80 câu 5; S=1+3-5-7+9+11-...-405-407 câu 6; S=1+2-3-4+....+251+252-253-254 Chịu khó đc hum mn ?-?

Điền cặp từ đồng nghĩa vào thành ngữ sau : Non....nước....

A) 1 chia 2x B) 2x bình + 2 A và B đâu là hàm hợp?

giúp em bài 3 với ạ . mai là hạn nộp rồi

Đề bài: Tìm các số nguyên x thỏa mãn: a, x-5 là bội của x+2 b, x-2 là ước của 3x+5 c, 3x+2 chia hết cho 2x-1

TIẾNG ANH 7 I. Find the word which has the different sound in the underlined part. 1. a. break b. bread c. instead d. health 2. a. lane b. stay c. traffic d. wait 3. a. record b. vehicle c. lesson d. zebra 4. a. jam b. narrow c. carry d. danger 5. a. means b. great c. seatbelt d. teacher III. Complete the sentences with the correct tense or form of the verbs from the box. ride drive fly sail cycle reverse get on get off 1. My uncle used to be a pilot. He ___________ helicopters. 2. __________ a number 73 bus. That will take you to Islington High Street. 3. He ________into a lamppost and damaged the back of the car. 4. When being stuck in a traffic jam, some people __________ their motorbikes on the pavement. 5. The old man got into a Rolls Royce and __________ away. 6. I will get myself a little boat and ________ it around the world. 7. When we reach the next stop, we’ll ____________. 8. In the afternoon, Mai usually _____________ round the lake near her house. IV. Complete the sentences with used to or didn’t use to and the verbs in the box. 1. I _____________ in the countryside when I was a child. 2. My mother _____________ coffee but now she loves it. 3. Julian _____________ much, but Harry Potter changed his attitude. 4. Dave _____________ in a football team but now he plays basketball. 5. The children _____________early because they had to get to school at 7 o’clock. 6. The shop _____________ so crowded as it is nowadays. 7. In those days, people _____________ all their clothes by hand. 8. I _____________ in a restaurant before I went to college. 9. People _____________ so much junk food, their diet was healthier. 10. When my father was young, he _____________ abroad so much. V. Write sentences, using the prompts and then correct form of used to. 1. We/ live in a flat when I was a child. _________________________________________________________________ 2. People/ not have/ mobile phones 20 years ago. _________________________________________________________________ 3. Jim/ go/ swimming every weekend? _________________________________________________________________ 4. My father/ smoke/ but he gave up five years ago. _________________________________________________________________ 5. Lily/ not cook/ much, but now she makes dinner every day. _________________________________________________________________ 6. There/ be/ a supermarket on the corner? _________________________________________________________________ 7. People/ not buy/ so much stuff as they do today. _________________________________________________________________ 8. You/ play football or basketball at school? _________________________________________________________________ 9. I/ go/ to bed very late but not anymore! _________________________________________________________________ 10. Which TV programme/ you/ watch/ most/ when you were little? _________________________________________________________________ VI. Choose the correct answers. 1. I ____________ a lot when I was younger. a. use to swim b. used to swim c. used to swimming d. didn't used to swim 2. People__________ so often, or they just didn't travel at all. a. used to travel b. used not to travel c. didn't used to travel d. didn’t use to travel 3. My brother__________ his leg in a car accident when he was 20. a. broke b. used to break c. uses to break d. breaks 4. _________long hair when you were a teenager? a. Used you to have b. Did you used to have c. Did you use to have d. Are you used to having 5. My Grandpa never__________ coffee. He always drank tea. a. uses to like b. used to like c. didn't use to like d. is used to like 6. She________ as a teacher for many years before she became a writer a. didn't use to work b. used to worked c. used to work d. worked 7. There______ a bus station there. When was it built? a. used to be b. usedn't to be c. didn't use to be d. used not being 8. Dominic _________ to bed late on Fridays and Saturdays. a. usually goes b. uses to go c. doesn't use to go d. is used to go 9. What kind of music ________when she was a child? a. Nancy used to like b. used Nancy to like c. did Nancy used to like d. did Nancy use to like 10. He _______several books a month, but he doesn't have time any more. a. usually reads b. used to read c. used to reading d. didn't use to read GIÚP MÌNH LUÔN TRONG TỐI NAY NHA

thêm trạng ngữ : e làm sai mất bài toán cuối

Giúp mình với 22. Solar energy does not make the environment _____. (pollute) 23. Thank you very much for a really _____ evening. (wonder) 24. He studied very hard but _____ he failed the final exam. (fortunate) 25. I believe that you can predict changes with a _____ degree of accuracy. (surprise) 26. He is an _____ man. (energy) 27. He felt very _____ after working hard. (exhaust) 28. My father used to be an _____. (electric) 29. The man climbed the mountain very______. (danger) 30. Solar energy is not only _______ but also clean. (plenty)

xin cách giải ạ ............................