bài 1 :thực hiện các phép tính sau a,11x-4/x-1 + 10x+4/2-2x b,-3x mũ 2/x mũ 3+1 + 1/x mũ 2-x+1+1/x+1 c,1/x+2 + 5/2x mũ 2+3x-2 d,1/xy-y mũ 2 - 1/x mũ 2-xy bài 2 :tìm phân thức P(x) thoả mãn đẳng thức sau a,x/x-1 + x/x+1 - P(x)= 6x-4/x mũ 2 -1 b,2x+4/x mũ 3 -1-P(x)=2x/x-1 - x+2/x mũ 2 +x+1

hí lu mấy pác :> vẽ táu đậu mầm đi ọ thanks mấy pác nhoa :>

nếu tăng độ dài cạnh hình vuông 50 phần trăm thì diện tích hình vuông tăng mấy phần trăm

Các bn giúp mình vs mình cần gấp Bn nào lm đúng và nhanh mình sẽ cho 5 sao , mình cảm ơn các bn trc

Giải hộ mik 2 bài nầy với ạ! Mơn Mọi ng trước ạ!!!

Theo em, khi nào cần in trang tính theo hướng giấy đứng và khi nào theo hướng giấy ngang? Hãy tìm hiểu trên một số trang tính cụ thể và rút ra nhận xét của em.

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Bố mẹ tôi sang Nhật sống đã lâu . Tôi đc sinh ra tại Nhật . Vậy bố mẹ tôi có phải là công dân VN ko . vì sao?

tình bằng cách thuận tiện nhất. 34,6*12,7-17,3*5,2-346

2. Choose the correct answer to each of the following questions. Yesterday, on the way home from school, I saw an accident. A boy was run over by a taxi when he was riding his bicycle. The boy’s leg was broken and it was bleeding badly. Someone there tried to stop the bleeding. They put pressure on it and held it tight. A man used his mobile phone to call the emergency service. Some minutes later, an ambulance arrived and sent the boy to the hospital. Two policemen came to the scene immediately. Some people told the police that the taxi was driving at a very high speed when the accident happened. Question 29: What did the writer see yesterday? A. a fire B. an accident C. a fighting D. a crash Question 30: The accident happened ________ a taxi and a bicycle. A. in B. among C. between D. at Question 31: The word “his” in line 4 is closest in meaning to ________ A. the man’s B. the boy’s C. the driver’s D. the policeman’s Question 32: According to the passage, the accident was the mistake of the driver’s_____ A. care B. careless C. carefulness D. carelessness IV. WRITING (2,0 pts) A. Reorder the words to make meaningful sentences. Question 33: walks/ school/ Her/ usually/ sister/ to/./ => …………………………………………………………………………………. Question 34: from/ Ho Chi Minh City/ Travelling/ not/ time-consuming/ to/ by/ Ha Noi/ airplane/ is/. / => ……………………………………………………………………………………...... Question 35: takes/ art/ half/ gallery/ only/ hour/ to/ an/ the/ It/ to/ get / ./ => ………………………………………………………………………………….. Question 36: use/How/ last/did/watching/you/spend/TV/much/year/time /?/ => …………………………………………………………………………………………..?