phân tích đa thức thành nhân tử a) x ³+x+1 b) x^5y+4xy

Vẽ mầm học văn (Full màu,line,digi) NL : Giống y hệt cô giáo tôi (trong ảnh)

I. Verb form 1. - You ever (parachute)? – Yes. Once - You (be) nervous? 2. If you don’t chew well, food (not digest) easily. 3. We (be) able to respire if there (be) no air? 4. Data (store) in hard disks. 5. In my opinion, this book is worth (read). 6. Jim has bought tickets. He (see) a movie with his sweetheart tonight. helppppppppppppp meeeeeeee

Suy nghĩ của em về tình bạn đẹp (Viết bài văn nghị luận xã hội) giúp mk vs mk cần gấp

II. Complete the second sentence so that it means the same as the sentence before : 1. “I try to learn hard to pass the entrance exam”. =>Nam said_________________________________________________________________ 2. They have learnt English for four years. =>English __________________________________________________________________ 3. “What subject do you find the most difficult?’ My mother asked =>My mother asked me _______________________________________________________ 4. I don’t like to get up early and prepare breakfast on the cold winter days. =>I hate ___________________________________________________________________ 5. The laboratory in my school is now better equipped than some years ago. =>Some years ago the laboratory_______________________________________________ III. Make sentences using the words and phrases given : 1. It/ be/ interesting/ go/ camping /friends/ the summer. =>________________________________________________________________________ 2. Where / be /you /when /the/ earthquake /begin/ yesterday? =>________________________________________________________________________ 3. How/ can/ you/ reduce/ waste /home? =>________________________________________________________________________ 4. There /be/ 70 /beaches/ in /Sydney/./ Bondi/ Beach/ be / most/ famous/ of/ them. =>________________________________________________________________________ 5. She/ tell/ us/shut/door /but/ not /lock /it/ because/ she/ be / back/ soon.

Tìm x để căn thức có nghĩa: a) $\sqrt{x(x+2)}$ b) $\sqrt{-5x^2 +20}$ c) $\sqrt{-5x^2 -3x+8}$ d) $\frac{1}{\sqrt{x^2+4x+4}}$

Viết đoạn văn 7-10 câu trình bày ý kiến của em về trách nhiệm của mỗi công dân trong việc phòng chống dịch covid 19

Biết 4,48 lít khí CO2 (đktc) tác dụng vừa hết với 200 ml dung dich Ba(OH)2, sản phậm là BaCO3 và H2O a) Viết phương trình hóa học b)Tính nồng độ mol của dung dịch Ba(OH)2 đã dùng. c) Tính khối lượng chất kết tủa thu được

1. Have/ ever/ been /you/ any /to/speaking/ English/ countries? =>_________________________________________________________________________ 2. The Statue /in /of /Liberty/ New York/ monument/ which /freedom /symbolises /is/ a/. =>_________________________________________________________________________ 3. The boss /me /how /asked/ speak/ I/ could/ languages/ many. =>_________________________________________________________________________ 4. When /get /we /everyone /a lot/ talks/ freely/ cheerfully /and/ together/. =>_________________________________________________________________________ 5. Fred/ feels/uncomfortable/ always /everyone/ family/ so /quiet /is /because /in/Ann’s. =>________________________________________________________________________

tìm số tự nhiên a,biết rằng với mọi n thuộc *N ta có a) a mũ n =1 b) a mũ 0 = 0