Hỗn hợp A gồm các kim loại Al,Cu,Fe.Đốt cháy hoàn toàn 0,6mol hỗn hợp A cần 12,28g O2.Khi cho 14,3(g) hỗn hợp A vào dung dịch HCl(dư) thu được 6,72(g) khí (đktc).Tính % khối lượng mỗi chất trong A

giúp mình bài 11 ai nhanh mình vote 5 sao gửi lời cảm ơn

l.choose the correct answer to each of the following 1. Basketball is one of the ........... popular games A. many B. more C. most 2.playing sports helps me get...... A. free B.fitter C. fittest 3. my brother usually plays football when he has ........ A. spare time B.goodtime C. times 4. there are many sports activities.....school children A.to B.for C.of 5. I like skating , but I am not very good ..... going skating A.at B. with C.of 6. There are many sports activities ...... school children A.to B.for C. of 7. Remember to ..... strictly at the swimming pool A. take B. follow C. do 8............ does your father like ? - He likes tennis A What's sport B. what sport C. which sports 9. My best friend like to watch motor racing because it is very........... A. exciting B. excited C. boring 10. Hoa......... three goals for my team and he made it a hat trick A. scores B. scored C. played ll. complete the sentences with the correct form of the verb in brackets 1. how often he (go/fish)...................? 2............your team (win)........ yesterday ? 3.my sister (play)......... badminton twice a week . He (do).........it on Saturday and Sunday 4.Where..........you (go).............on holiday last year ? 5. I (cycle).........100 kilometers last week

Thuật ngữ copy left được nói đến trong bản quyền nào

Giải bài trong hình giúp mình nhé

B7 VN. ChohCN ABCD cé AB = 120m, BC=9cm goi H là chan dlờng vung goc ha tu A wiong goc ha tA xuông B.D CN.AAHB es A BCD 3; Tinh A H ? Ai giải hộ bài này với ạ e đg cần gấp lắm

Exercise 1. Complete the passage using the past participle of the verbs in the box. display​ consider​​locate​ take​​surround The Temple of Literature is (1) ________________ in the centre of Ha Noi about 2 kilometres west of Hoan Kiem Lake. It is (2) ________________ by four busy streets: Quoc Tu Giam, Van Mieu, Ton Duc Thang, and Nguyen Thai Hoc. Many precious relics are (3) ________________ there. Many trees and flowers are (4) ________________ care of by the gardeners at the landmark. It is (5) ________________ one of the most important cultural and historic sites of Viet Nam.

1, Tính a, A = 625 - ( 61-17 ) . 12 + ( 27 + 24 ) :17 b, -126 - ( 4 ² - 5) ² + 870 : 29 2, Tìm x , biết : a , 7 ² x 5 - ( 2x + 1 ) = 630 : 9 b , (10 - 4x ) + 120 : 2 ³ = 17 3, Tìm x ∈ Z biết : ( x + 1 ) + ( x+2 ) + ... +( x + 9 ) + ( x + 10 ) = 5

1 - Before I decided to buy a plane ticket I ________ to the head of the travel agency. talked had talked has talked am talking [​IMG] 2. Did you notice Bob trying to ................ doing the washing-up A. get up to B. break out of C. get out of D/ get along with 3. Passengers are ................ not to leave cases and package here A. commanded B. informed C. notified D. O 4. If the number of berries on the holly tree is anything to............., we are likely to have a hard winter A. look at B. go by C. point on D. think about -> Giải thích dùm mình nha

Tả người mẹ của em và nói lên tâm tư tình cảm của mình với mẹ Ngắn thôi nha không cần cho thơ vào bài đâu