cho b^2=ac,c^2=bd/CMR : (a^3+b^3-C^3)/(b^3+c^3-d^3)=[(a+b-c)/(b+c-d)]^3 cảm ơn nhiều!

Your A. wedding 3. Children often receive presents from their parents at Christmas. A. candles is the anniversary of the date on which you were born. 4: A. bright . Fortunately, our work was finished as scheduled. A. completedB. held B. birthday C. party D. congratulation : A. affect 5. When they finished singing, Lisa A. surprise A. turned off B. candyC. cardsD. gifts C. presented the candles on the birthday cake. C. cleared up D. ended a. video inside happen nobody B. blew out 5. We moved to the countryside for some A. peace and quiet B. comfort and advance 7. Jane's mother A. brought out D. brought out C. freedom and pleasure D. happiness and enjoyment a birthday cake with seventeen lighted candles on it. C. turned up on holiday. C. be going out the w B. showed on church 3. School children are looking forward to D. took over passengA. going nguage ). He prefers typing to writing by hand. B. go D. have gone ag mistry and A. He doesn't like to write by hand at all. B. He'd rather type than write by hand. 10. Please don't use the shower after midnight. A. Would you mind not to use the shower? B. I don't want you to use the shower. 1. Shall we go the cinema tonight? A. How about to go the cinema to night? B. How about going to the cinema tonight? 2. She avoids C. He likes typing better. D. He doesn't like typing. C. Would you like to use the shower after midnight? D. Would you mind not using the shower after midnight? C. How about tonight we shall go to the cinema? D. How about shall we go to the cinema tonight? his questions. C. looking / to answer D. look / answering at the lecturer because she doesn't know how B. to look / answer ich A. looking /answer 3. Our teacher advises A. not to throw 4. away used things because they can be recycled. C. throwing D. not throwing 12th November. B. to throw d. to The anniversary of the founding of the charity falls C. at b. on of his 84 birthday. b. honor a. in d. celebration They're having a party in c. memory 16. a. ceremony We tried to make of our situation, but it wasn't funny. c. tension d. risk a 17. b. trick a. joke They held a concert to mark the a. occasion He tried his best to make his birthday party more a. enjoyed of Mzart's death. d. remembrance c. situation 18. b. anniversary d. enjoyable c. enjoyment 0. b. enjoying

Chi tiết giúp mk giải như trên mạng mk không hiểu

$($ $x$ $-$ $2$ $)^{2}$ $=$ $16$ $Lam$ $luôn$ $nha$

Cho Q = 5 mũ 1 + 5 mũ 2 +......+ 5 mũ 96 a, Chứng minh rằng Q chia hết cho 126 Giúp mik nha cảm ơn nhìu!

Phân tích đa thức thành nhân tử a) 2x² + x - 6 b) 3x² - 5x - 2 c) a² - 5a - 14 d) (x-y)² + 4 (x-y) - 12 đ) 2m² + 10m + 8 e) 2x² + 5x + 2

Giúp mik vs mn ơi cần gấp😭😭😭😭😭 bài VII

E đang cần gấp a chị làm hộ e ạ.E cảm ơn ạ. Chúc a chị thi tốt

Hai vật xuất phát từ A và B cách nhau 400m,chuyển động ngược chiều đi đến gặp nhau tại C . Vật thứ nhất chuyển động đều từ A với vận tốc 25m/s , vật thứ hai chuyển đôbgj đều từ B với vận tốc 15m/s .Sau bao lâu hai vật gặp nhau? Gặp nhau chỗ nào ?mình cần gấp ak

Giúp mik vs mn ơi cần gấp😭😭😭😭😭