Giúp em giải bài nì vứi A={ x thuộc N/144 chia hết x, 216 chia hết x, 252 chia hết x và 10< x <30}

thiết kế hộp đựng đồ dùng học tập giúp mình với mình cần gấp ạ

1. tìm n thuộcN A,4n+10 chia hết 2n+1 b,3n-8 chia hết n-2 2. Chứng minh rằng B=3+3 mũ2+3 mũe+3 mũ4..+3 mũ100 chia hếtcho 4 3. tìm n thuộcN a, 38-3n chia hết cho n b.2n+5 chia hếtcho n

VIII. Read the passage and choose the best answer A, B, C or D. On the farm of today, machines provide almost all the power. Modern farmers now have mechanized "hired land" and keep horses only for pleasure. Besides developing new machinery, scientists and engineers have helped the farmers in many ways. For example, they have developed stronger fertilizers, more effective insecticides, and hybrid seeds which produce larger, tastier fruits and vegetables. Some farmers even have computers which help them use their resources more efficiently. As a result, the farm of today are able to produce much more food with the same amount of labor. This means fewer but larger farms and fewer but more prosperous farmers. 1. What do modern farmers keep horses for? A. meat B. plow C. pleasure D. sale 2. Who has developed new machinery? A. Only scientists B. Only engineers C. Scientists and farmers D. Scientists and engineers 3. The farmers use computers to .............. A. play computer games B. help them use resources efficiently C. type documents D. send e-mails 4. The farms today are ........... . A. fewer but larger B. fewer and smaller C. more but smaller D. more and larger 5. The farmers today are ............. than they used to be. A. richer B. poorer C. more D. less powerful IX. Rewrite the following sentences in such a way that the meaning of the second sentence remains unchanged as the first one's. 1. "You shouldn't lend him any more money." Hoa said. => Hoa advised ......................................................................................................................................... . 2. The bread is so stale that we can't eat it. => The bread isn't fresh .......................................................................................................................... . 3. Whose handbag is this? => Who does this ...... ............................................................................................................................. . 4. It's a long time since we became close friends. => We have .............................................................................................................................................. . 5. She had to do the washing, but she didn't. => She forgot .......................................................................................................................................... . 6. He left home six months ago. => It's .............................................................................................................................................. . 7. How clever the carpenter is! => What ................................................................................................................................................ . 8. I learn Enlish so that I can communicate with foreigners. => I learn Enlish so as ............................................................................................................................. . 9. They won't be able to come on Sunday. => It will be ........................................................................................................................................... . 10. Birth rates have fallen sharply recently. => There ............................................................................................................................................... . X. Make complete sentences, using the given cues. 1. These students / learn / French / for / 10 years. ............................................................................................... 2. School English Club / going / hold / speaking contest / celebrate / Teacher's Day. ............................................................................................... 3. We / used / walk / school / morning / return / noon. ............................................................................................... 4. I / call / tell you / that / we / come / visit / you / next weekend. ............................................................................................... 5. My / brother/ usually/ have / some / rice / dinner / but / this / evening / have / instant noodle. .................................................................................................................

Có 64 tờ tiền gồm 3 loại : 2000đ , 5000đ , 10000đ . Biết giá tiền của 3 loại bằng nhau. Tính xem mỗi loại bao nhiêu tờ

Tui đã phát hiện ra có ngừi buff! Vẽ anime girl siu siu xinh và cute ạ!

Cho 3 đường thẳng : ( d1 ) = y = x-4 ; ( d2 ) : y = 2x+3 ; ( d3 ) : y=mx+m+1 Tìm m để ba đường thẳng trên đồng quy

Thiết kế một số trang phục đơn giản

Bài 1: Lượng nước trong hạt tươi chiếm tỉ lệ 19%, trong hạt khô chiếm tỉ lệ là 10%. Phơi 1000kg hạt tươi sẽ được bao nhiêu ki-lô- gam hạt khô

Cho biết cùng làm một công việc thì 20 người làm xong trong 5 ngày. Nếu tăng thêm 5 người thì hết bao nhiêu ngày ( năng suất làm việc của mỗi người như nhau )