Cho số nguyên tố p>3. CMR $p^{2}$ -1 chia hết cho 24

Change the following sentences into passive voice 1.You must learn your lessons tonight 2.We are going to organize a party tonight 3.I’ve never done this exercise before 4.You should wear gloves when using an electric saw 5.You must return this book to the library today 6.They have built two department stores this year 7.They have just introduced a new style of jeans in VietNam 8.They will produce five million bottles of champagne in France next year 9.They are going to build many houses in this area 10.He has to do his homework 11.She has written a novel 12.we will not admit children under sixteen 13.They have showed her the easiest way to do it 14.I do my homework evening 15.They produce computers has offered him a job 16.I can not do these exercises quickly 17.The movie has disappointed us very much 18.They have to pay the bill before the first of the month 19.They will ask you several questions 20.Should they help Jane with the sewing? 21.Mary left the handbag at home

Viết đoạn văn tự sự có sử dụng yếu tố biểu cảm nghị luận miêu tả về việc em nhận quà bất ngờ nhân ngày sinh nhật hoăc lễ tết ( no copy pls ) và gạch chân dưới các yếu tố đó

Cho n số nguyên dương a1,a2,...,an. CMR: (a1+a2+...+an)(1/a1 +1/a2 +...+ 1/an ) > hoặc = n^2

Again w/ bài hình nên 60đ nha :)

Give the correct form of verbs in bracket. 1. She (live)................... on Tran Phu street. 2. My sisters can (play).............................. piano. 3. Minh (watch) .......................... television now. 4. They (be) ................... there tomorrow. 5. Why don't we (go) ____________ camping together?

Giúp mình với nha: 1.Fill in the gap: __ __ nce

People say that/ it is said that

Một chiếc ca sắt đã chứa sẵn 1 ít nước khi thả ca sắt đó vào 1 bình hình trụ đựng nước thì ca nổi và mực nước trong bình dâng lên 1 khoảng h = 3,9 cm khi làm ca trìm xuống , mực nuwocss trong bình tụt xuống 1 khoảng a = 1 cm so với khi ca nổi. Hãy xác định tỷ lệ trọng lượng của nước ban đầu trong ca và trọng lượng của nước khi đó biết trọng lượng sắt n 7,8 lần trọng lượng riêng của nước

PROVIDE THE CORRECT FORM OF THE VERBS IN THE BRACKETS. 1. Where is your mother ? - She is in the kitchen.She ...................... ( cook ) the dinner. 2. .......................your mother ..................... ( go ) to school by bus every day? 3. We ( buy ) ............................a new bike next week. 4. Mr.Phong ( wait ) ........................for the bus at the moment. 5. Miss Nga usually ( watch ) .......................TV after dinner. READ THE PASSAGE AND FILL ONE WORD IN THE BLANK. My father is ( 1 ) ..................worker.He gets up at 5 o' clock.He ( 2 )............. breakfast and goes to ( 3 ) .................at 6:00.Work ( 4 ) ..............at 7:00 and ( 5 ) ..................at 4:00.So he goes ( 6 ) ............... very early, at 5:00 in the afternoon.In the ( 7 ) .................,he stays at home and ( 8 ) ...................TV.He goes to bed at 10:00. 1. do / breakfast /does / what / she / before/? 2. Da Nang/ Expected / was/ i/ than / more / beautiful 3. in/ mary/ not/get/six/at/ does/ the/ up / morning. 4.bed/ time / does / to / what / she /go/ ? 5.do / their / like / sports / children / ?