x^2 . (x+1) - 2x . (x+1)+(x+1)=
làm giúp mik vs mik đang cần gấp
t/c của gương phẳng ạ, làm chi tiết giúp em
II. Fill in the correct particles to complete the following sentences. 1. I’ve thought it _______and have made up my mind; I’m going to take the job in New York. 2. Can you put your name, telephone number and email address ______ in the book, please? 3. Mark was born in the East End, but he grew _______ in the West End. 4. Phong turned the TV _______ and went to bed because it was quite late. 5. The guide showed us________the historic parts of the city. 6. David is very friendly. He gets _______ most of my friends. 7. I don’t know why they turned________ our invitation to the party. 8. Nam didn’t know the correct spelling so he had to look it _______in the dictionary. 9. We are all looking_____ ______ seeing our grandparents again. 10. Our hotel was amazing and it lived _____ _____all our expectations.
Mình ko hiểu bài này mọi người giúp mình với
Huhu giúp e gấp vs ạ thanks nhìu lun. Bài 6 vectơ
giúp mình 2 bài này nhanh nha mọi người! Cảm ơn ^^
tìm min 1/((a+b)(a+c)) +1/((a+c)(b+c)) +1/((a+b)(c+b)) biết a+b+c>=1/16(1/a+1/b+1/c) vs abc là các số dương
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