Cứu mình các bạn ơi, mình cần gấp lắm !!!
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\(1,=1001101_2\\ 2,=9BA_{16}\\ 3,=5FD_{16}\\ 4,=1227_{10}\\ 5,=1111010011111_2\\ 6,=369_{10}\\ 7,=447_{16}\\ 8,=4DF_{16}\\ 9,=1001010_2\\ 10,=7C2_{16}\)
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She is nice ? the children are in their class now
They don't are students. Are they workers ? No , they aren't
He is fine today các câu còn lại thì tự làm !!
My brother doesn't is a doctor
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My hometown is Quang Yen. It is in the west of Quang Ninh Province. It is an ancient land. It is famous for historical sites, festival , Phong Coc communal house, Tien Cong temple, Bach Dang river and 2 Gieng Rung ironwood trees. The weather is hot and dry, I like my hometown very much. People here are very friendly and hospitable
Bài 1
4n - 6 = 4n - 2 - 4 = 2(2n - 1) - 4
Để (4n - 6) ⋮ (2n - 1) thì 4 ⋮ (2n - 1)
⇒ 2n - 1 ∈ Ư(4) = {-4; -2; -1; 1; 2; 4}
⇒ 2n ∈ {-3; -1; 0; 2; 3; 5}
⇒ n ∈ {-3/2; -1/2; 0; 1; 3/2; 5/2}
Mà n là số tự nhiên
⇒ n ∈ {0; 1}
Bạn Kiều Vũ Linh cho mình hỏi là 3/2 là phân số hả bạn ??