Chứng minh là số đại số giúp em

Làm câu cuối thôi là đc, chỉ đc dùng kiến thức kì 1

Bài 1: Tính a,\sqrt(7-2\sqrt(10))+ \sqrt(2) b,(\sqrt(3+\sqrt(5))-\sqrt(3-\sqrt(5)))^(2) Bài 2: Phân tích đa thức thành nhân tử a,x\sqrt(x)+8 b, \sqrt(x)-x^(2) c, x -5\sqrt(x) + 6 Giúp mình với mn ơi

Thu gọn các đơn thức sau rồi chủ ra phần hệ số,phần biến,bậc của đơn thức

Hấp thụ hoàn toàn 1,81 lít Axetilen (đktc) vào dung dịch AgNO3 trong NH3 dư thì thu được bao nhiêu gam kết tủa? (Kết quả làm tròn 3 số thập phân)

I. Choose the best answer: (Chọn đáp án đúng nhất): (2ps) 1. I hate carrots and I don’t like peas, …………………………. A. so B. too C. either D. neither 2. What are the …………………………..of the common cold? A. coughing B. symptoms C. headache D. sneezing 3. My mother always drives …………………………….. A. careful B. carefully C. slow D. quick 4. ……………………………. is the capital of Viet Nam. A. Vientiane B. Jakarta C. Ha Noi D. Yangon 5. Children should ………………………….. outdoors. A. play B. playing C. to play D. plays 6. General Giap’s defeated the French at Dien Bien Phu in …………………………….. A. 1945 B. 1950 C. 1952 D. 1954 7. Don’t eat too ……………………. candy. A. much B. many C. less D. few 8. What is his …………………………..?- He is 40 kilos. A. weigh B. weight C. heavy D. tall

giúp vs ạ cần gấp trog sáng nay làm đúng dùm ko đúng - report SECTION 5. WRITING. I. Complete each of the following sentences in such a way that it means exactly the same as the sentence printed before it. It isn’t necessary for you to finish the work today. → You don’t ____________________________________________________________ There are over eight hundred stamps in my sister’s collection. → My sister’s collection ___________________________________________________ It took her two hours to do the washing up yesterday. → She ____________________________________________________________________ Mr. John couldn’t enjoy the meal because of stomachache. → The stomachache prevented ______________________________________________ You shouldn’t eat too much meat. → You’d­­­­­­­­­­­­­­­­­­­­­­­­ ________________________________________________________________ He is a slower and more careful driver than I am. → He drives ________________________________________________________________ The lecture lasted two hours. → It was __________________________________________________________________ Minh is a fluent English speaker. → Minh speaks ____________________________________________________________ Lan didn’t go to school yesterday because she was sick → Because of ______________________________________________________________ I don’t want to go to the dancing now, I want to stay at home listen to music. → I’d rather _______________________________________________________________ II. Complete the sentence using the words given. Make all the changes and additions if neccessary. Trang/ the/ good/ student/ our class. _______________________________________________________________________ refrigerator/ next/ closet/ and/ front/ dishwasher. _______________________________________________________________________ Traveling/ train/ slower/ but/ interesting/ traveling/ plane. _______________________________________________________________________ Miss. Trang/ take care/ sick children/ same hospital/ as/ mother. _______________________________________________________________________ it/ difficult/ find/ apartment/ Ho Chi Minh city? _______________________________________________________________________ Brazil/ most successful/ soccer team/ world. _______________________________________________________________________ Lessons/ this year/ long/ difficult/ those/ last year. _______________________________________________________________________ farmers/ work hard/ morning/ night. _______________________________________________________________________ My / village / quiet / and / there/ only / a little traffic/ in the past. _______________________________________________________________________ Tim / buy / lot / souvenirs / when / he / visit / Nha Trang / last summer. _______________________________________________________________________ ____THE END____

Vẽ hình nữa ạ. khi đó A. ID=IE B. ID=IE=IF C. ID≠IE=IF D. ID=IE≠IF

Turn into passive voice The situation is serious. We must do sth before it's too late →

What do you like a hometown (tui sống ở thành phố HCM nha) 1:bạn trả lời là thích 2 bạn chỉ cần viết tại sao bạn thích 3 viết khoảng 6đến 8 câu thui