user-avatar
phuonganhhhhh
2 năm trước
Tìm a,b,c,d $\begin{cases} d=10\\a+b+c+d=12\\8a+4b+2c+d=4\\27a+9b+3c+d=1 \end{cases}$
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

đáp án thui nhanh lên ạ I. EXERCISE 1 : Add tag questions to the following 1/ They want to come,………………….? 2/ Elizabeth is a dentist, ……………….. ? 3/ They won’t be here, …………………? 4/ That is your umbrella, ………………….? 5/ There aren’t many people here yet, …………….. ? 6/ He has a bicycle,……………………? 7/ Peter would like to come with us to the party, ……………………..? 8/ Those aren’t Fred’s books, ….........................……? 9/ You have never been to Paris,…….............................……? 10/ Something is wrong with Jane today, …….............................…… ? 11/ Everyone can learn how to swim, ………...................................……… ? 12/ Nobody cheated in the exam, ………….........................……….. ? 13/ Nothing went wrong while I was gone, ……...................……....... ? 14/ I am invited, …………....................……….? 15/ This bridge is not very safe,…….....................………..? 16/ These sausages are delicious, ……..........................……….? 17/ You haven’t lived here long, …......................………? 18/ The weather forecast wasn’t very good, ……..................………. ? 19/ He’d better come to see me, ................................... ? 20/ You need to stay longer, ......................................................? 1, You came in a sports car,..........................? 2. We can sit on the grass in the park,..............................? 3. The weather forecast wasn’t very good,...............................? 4. Nothing can happen,.....................................? 5. I’d better go now,.............................? 6. Your bothers always learn hard,............................? 7. The number of rare animals is decreasing rapidly,.........................? 8. Dinosaurs became extinct millions of years,.......................? 9. Visitors do not help to preserve and protect national parks,..........................? 10. Noone has been there,............................................?

GIÚP MÌNH VỚI !!! HỨA VOTE5*+CẢM ƠN 1.………….been banned from driving, I was unable to rent a car on holiday. Being B. Having C. Being D. To 2.John enjoys being ………… around. A. bossing B. boss C. to boss D. bossed 3.They hated not having……….selected for the shortlist. A. been B. be C. being D. get 4.They are getting their uncle………them his cottage in the country. A.lend B. lending C. to be lending D. to lend 5.Michael deeply regretted not……..selected for the Olympic squad. A.to be B. having been C. to get D. been 6.The Opposition have asked for fuel taxes……….. A. be reduced B. to get reduced C. being reduced D. to be reduced 7.No problem. I’ll…………the figures printed out and on your desk by lunchtime. A.having B. be having C. have D. to get 8.I really didn’t expect this project………completed on schedule. A.having been B. to be C. being D. have 9.The cats love………cuddled and stroked. A.have B. having C. to have been D. to be 10.Theirs was probably the most glamorous wedding………featured in the pages of “Hello” magazine to date . A.getting B. to have been C. having D. have

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team