Bài 6 cho 0<a<b (a,b thuộc N) Chứng minh `a/b`> 1

a) (9 giờ 18 phút + 5 giờ 22 phút )nhân 6 b) (4 giờ 30 phút - 2 giờ 45 phút ) : 5

Giúp mik vs mik cần gấp cảm ơn trước

III. Choose the best one (A, B, C or D) to complete the sentence. 1.He used ______ a poor man, but now he becomes a rich businessman. A. Ø B. to C. to be D. being 2. Mr. Nam ______ to work by motorbike, but now he goes to work by bus. A. is used to go B. used to go C. was to go D. got 3.I ______ have time to collect stamps when I was in primary school. A. get used to B. get accustomed to C. used to D. was to 4.I spent a lot of time ______ before the final test. A. study B. to study C. studying D. to studying 5.How ______ time do you need to go to the market? A. much B. long C. far D. is 6.It takes 10 minutes for Jill ______ on her makeup. A. to put B. putting C. inputting D. put 7. How long does it ______ to get from the library to the museum? A. need B. find C. spend D. take 8. Susan ______ a nurse. Now she is a doctor. A. used to be B. works as C. was used to be D. got used to 9. How ______ is our classroom from the washroom? A. long B. much C. far D. distance 10. When I was a child, I used to ______ the piano. A. playing B. to play C. play D. to be played 11. It is 5 kilometers ______ my house to Time City. A. from B. for C. with D. about 12. My father travelsto work ______ car every day. A. in B. on C. by D. with IV. Choose the word or phrase among A, B, C or D that needs correction. 1.IN the PAST my hair USED to SHORTER A. In B. past C. used D. shorter 2.It will SPEND a while BEFORE everyone becomes FAMILIAR with IT. A. spend B. before C. familiar D. it 3.DID you USED TO go TO the beach when you LIVED in Nha Trang? A. Did B. used to C. to D. lived 4.Children AT the AGE of 10 or OVER can DRIVE their bikes alone. A. at B. age C. over D. drive 5.There USED TO be traffic JAMS in this street during RUSHING hours, but now the street BECOMES wider. A. used to B. jams C. rushing D. becomes

trong đoạn trích trên ,em hiểu bà mẹ muốn nói gì với Vũ Nương, em có nhận xét gì về tình cảm đó

cảm nhận của em về vẻ đẹp tâm hồn của hồ chí minh qua bài thơ tức cảnh pác bó mk đg cần gấp ạ!!!!

Bài 7: Tìm m và n để (d) : y = (2b – a) x – 3(a + 5b), đi qua hai điểm : a) (2 ; 4) ; (–1 ; 3) b) (2 ; 1) ; (1 ; –2)

Mọi người giúp em làm với ạ em vote 5 sao làm hết cả a,b,c

mọi người làm giúp mình bài 5 ạ mai em nộp rồi

Xét tính liên tục của hàm số trên tập xác định của nó