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1, để 2-x chia het cho x+ 1 thi
2-x = 2 - ( x + 1 )
mà x + 1 chia het cho x+ 1
s ra x+ 1 thuộc u của 2
1.jogs
2.will visit
3.had
4.will come
em làm chưa chắc đã đúng vì em mới lớp 6
1 : goes jogging
2 : are going to visit
3 : will have
4 : will come
k mình nhé !
I have many vacation but the trip to Ha Noi is the best vacation. I often go to Ha Noi every months. I go to Ha Noi with my family to visit my grandparent. Ha Noi has many tasty food, but Pho Bo is the most tasties and popular food. There are many places in Ha Noi, such as: Quoc Tu Giam Temple, Ho Chi Minh Mausoleum,... I very happy to travel to Ha Noi.
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1 . She to go to the cinema .
2 . Does Mary have a computer ?
3 . Does Minh to drink milk ?
4 . Rose eats vegetable every day .
5 . She usually reads books in her free time .
1. The result of ( eat ) eating too much is gaining ( weigh ) weight
2. In the history of ( man ) men, people always looked for foods
3. My father is a geat ( paint ) painting
4. The ( sing )singer I like most is My Tam
5. The Dan Bau is a ( tradition ) traditionalmusical instrument
6. The ( music ) musician is very anxious about the next ( perform )
7. She wanted to share her ( please ) pleasure
8. Vietnamese people are very ( friend )friendly
9. She is a ( fame ) famer actress
10. Lan is more ( beauty ) beautiful than her friend
(3n + 5) ⋮ (3n + 2) Đk n ≠ - \(\dfrac{2}{3}\)
3n + 2 + 3 ⋮ 3n + 2
3 ⋮ 3n + 2
3n + 2 \(\in\) Ư(3) = {-3; -1; 1; 3}
Lập bảng ta có:
Theo bảng trên ta có:
n \(\in\) { - \(\dfrac{5}{3}\); - 1; - \(\dfrac{1}{3}\); \(\dfrac{1}{3}\)}
đang tiếng anh mà