user-avatar
phamtienhuy
2 năm trước
Tìm x ∈ Z biết x=(a/a+b)+(b/b+c)+(c/c+a) (a, b, c ∈ Z+)
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

I. Odd one out. Which underlined part is pronounced differently in each line 1. A . thirsty B. throw C. theme D. there 2. A. breathe B. fourth C. tooth D. warmth 3. A. then B. thing C. them D. their 4. A. studio B. documentary C. cute D. industry 5. A. exhaust B. harm C. hole D. hide II. Choose the correct answer to complete each of the following sentences 1._______________do you go to the gym? - By bus A. What B. How C. Why 2. What's your favorite_______________? - I like swimming A. subject B. game C. sport 3. You should wear__________to protect your qyes from the chlorine in the water A. glasses B. goggle C. goggles 4. Who_________the first person in the room yesterday? A. is B. was B. was C. were 5. Last summer, I__________sailing with my father on the river near my house A. go B. gone C. went 6. Molly is ____________then her friend A. tall B. taller C. tallest D. mót tall 7. My sister_________her homework every night A. does B. is doing C. do D. to do 8. It's snowy,___________we go skiing A. but B. so C. because D. and 9. I have never_____________to Australia A.A. be B. been C. was 10. What's you___________sports? - I love badminton A. lovely B. common C. favourite D. national III. Rewrite the sentences so that they have the same meaning as the original ones 1. There are three interesting films on VTV3 today => Today VTV3 has______________ 2. My favourite programme on TV is cartoons => I like________________________________ 3. Nobody in my class is as intelligent as Linh => Linh is the_________________- 4. We do a lot of outdoor activities in summer => We take part in______________ 5. Life in the city is more interesting than life in the countryside => Life in the countryside is more____________________ IV. Use the conjunction at the end ò each group to connect the sentences 1. You can watch TV now. You do not spend too much time on it. (but) ............................................................................................................................ 2. The Haunted Theatre is frightening. Children love it. (although) ......................................................................................................................... 3. It was a sunny day. We decided to go sightseeing (so) ...................................................................................................................................... V. Read the letter and choose the besr word (A,B or C) to each space Dear Grandma, I am.................................to you from England. It is fantastic. Ywsterdat morning. I went to a horse riding...............................There was a very...........girl with a black horse. She was only fifteen, and that was her.....................horse. It was very beautiful. The girl was very skillful. We all got............every time the horse jumped the fence. She won a gold medal and we all clapped loudly. 1. A. writes B. writinf C. write 2. A. compete B. competing C. competition 3. A. young B. new C. old 4. A. grandfather B. grandfather's C. grandfather' 5. A. excited B. bored C. exciting

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team