Rewrite the sentences: 1.The teacher told the students to keep silent , but they didn't take any notice.(pay) → The students 2.I can help you with your kids.(mind) → I 3.I will go to the meeting tomorrow if you come with me.(long) → I will go 4.I was about to leave when you call me on the phone.(point) → I was 5.The teacher forced the students to do their homework.(made) → The teacher 6.I did it because it was good for my health.(done) → I wouldn't 7.They have cancelled tomorrow's meeting .(called) → They have 8.You can't expect to pass your exam if you don't study.(hardly) → You can 9.The beer was do good that I had to order another one.(such) → It 10.The exam wasn't as difficult as we had thought before.(was) → The exam 11.I was on the way to get son from school.(up) → I was 12.We ought to go home now.(time) → It is 13.They have postponed the class until next Tuesday.(off) → The class

giải giùm mk trước 5h chiều nha

Tam giác ABC có AB = AC = 13cm, BC = 10 cm. Tính độ dài đường trung tuyến AM ?

Viết các số thập phân vô hạn sau dưới dạng phân số tối giản

tìm x : |x - 3 | + | x - 5 | + |x + 9| = 10

Cho A = 1 - 5 + 9 - 13 + 17 - 21 + 25-...(N là số hạng , giá trị tuyệt đối của số hạng sau lớn hơn giá trị tuyệt đối của số hạng trước 4 đơn vị , các dấu cộng,trừ xen kẽ) a) Tính a theo n b) hãy viết số hạng thứ n của biểu thức a theo n ( chú ý dùng lũy thừa để biểu thị dấu của số hạng đó )

Viết đoạn văn khoảng 10 dòng có sử dụng thành ngữ và điển cố

EX1: Today the artist Vincent van gogh is very famous and his picture are very epensive, but he was never fomous during his life. Vincent was dutch.His family was usually poor, but his brother always helped him with money. Vincent was always good at painting, but he had many different jobs. Hw worked for an art company , and a bookshop; and he was a teacher . H as intereted in religion , and he wanted to study theology but he wasn't a very good student . When he was 27, he started to work as a painter .He lived in Belgium , the Netherlands and France,where he was with his friend, the painter Paul Gaugin.But Vincent was never really happy, and he was ofen not well . When he was only 37,he ended his life 1. Were his pictures cheap? ..................................................................... 2.Who was an important person in Vincent's life ? ..................................................................... 3. What does the word him(in line 4) mean ? ..................................................................... 4.How old was Vincent when he died ? .....................................................................

Bài 1: 730cm=.............dam 3m2cm=............m 4yến 7kg=...........yến 5m ² 38dm ²=............m ² 23m ² 9dm ²=..........m ² 90mm ²=...............cm ² 72dm ²=............m ² 5dm ²6cm ² =..............dm ² Bài 4: Hai cha conn có tất cả 53 tuổi. Biết rằng lúc cha 27 tuổi mới sinh con. TÍnh tuổi của mỗi người.

Cho biểu thức: Q=(1/(x+1)+(6x+3)/(x^3+1)-2/x^2-x+1):(x+2) a) Rút gọn Q b) Tìm x để x=1/3 c) Tìm gtln của Q.