Cho dãy số có U1=6; U2=10;...;Un+2=3.Un+1+2.Un-7 a,Tính U18; S18=U1+U2+U3+...+U18 b, Tính T5=U1.U2.U3.U4.U5
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
1: Will clean
2: Will sing
3: Won't sell
4: Will drive
5: What will he do
6: will rain
7: won't draw
8: will wash
1. they will clean the door tomorrow
2. they will sing a songs next week
3. Tom won't sell his car in 2030
4. You willdrive a car tomorrow
5. What does he do next week- He will visit Hanoi
6.Look at the black clouds it will rain
7. I won't draw a picture tonight
8. He is taking too much water. He will wash his car in 10 minutes
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
He was sitting on the grass and reading a book
The men had been playing football for about 2 hours when it started to rain.
![](https://rs.olm.vn/images/avt/0.png?1311)
1, she is better than you
2, this street is further then that street
3, My grandfather is elder than he
![](https://rs.olm.vn/images/avt/0.png?1311)
1, went
2, didn't cook
3,wrote
4,was
5, didn't sleep
4 B Lựa chọn và điền dạng đúng của từ và dịch
1, studied
(Jame đã vượt qua kì thi vì anh ấy học rất chăm chỉ)
2, taught
(Bố của tôi đã dạy các thanh thiếu niên lái xe khi ông ấy 50 tuổi)
3, wanted
(Dave muốn đốt lửa nhưng không có củi)
4, spent
(Cậu bé dành hàng giờ trong phòng để làm đồ chơi hả?)
5, rang
(Điện thoại đổ chuông nhiều lần sáng nay)
![](https://rs.olm.vn/images/avt/0.png?1311)
1. My father is watering some plants in the garden
2. My mother is cleaning the floor
3.Mary is having lunch with her friends in a restaurant
4.They are asking a man about the way of the rainway in station.
5.my student is drawing a beautiful picture
1. My father waters some plants in the garden
2. My mother cleans floor
3. Mary has lunch with her friends in a restaurant
4. They ask a man about the way the railway station
5. My studen draw a beautiful picture.
Mik ko chắc cho lắm, mik xin lỗi bn trc
![](https://rs.olm.vn/images/avt/0.png?1311)
Hello, I'm Mai. I am from Vietnam. I live in Hanoi with my parents and my little brother. I study in grade 4A in Sunrise International school. I have some close friends from different country. This is Katty. She is American. Tony is from Sydney, Australia. And Luicy is Malaysian.We are all nice. We have a lot of fun learning and playing.
ccccccccccccccccccc