1. Tính nhanh: a, 1/2 + 1/4 + 1/8 + 1/16 + 1/32 + 1/64 + 1/128 + 1/256 b, 1/3 + 1/9 + 1/27 + 1/81 + 1/243 + 1/729 c, 1 + 5/4 + 5/8 + 5/16 + 5/32 + 5/64 Cần giải ra đầy đủ, dễ hiểu ạ

Các bạn làm nhanh giúp mình được không ạ, mình đang cần rất gấp!

Finish each of the following sentences in such a way that it means exactly the same. (20 pts) 1. She doesn’t get up late anymore → She used……………………………………………………………………………………………………………. 2. They started learning English four years ago. → They have …………………………………………………………………………………………………………. 3. She is a far more serious student now than she used to be. → She studies ………………………………………………………………………………………………………… 4. I’d like you to help me to put the chairs away. → Do you mind…………………………………………………………………………………………………….. 5. I’ll do anything for you because I love you. → I’ll do anything for you because of …………………………………………………………………….. 6. He will come because he wants to be sure of meeting you. → He will come so………………………………………………………………………………………………… 7. Your hair needs combing properly. → Your hair………………………………………………………………………………………………………… 8. “Would you mind not smoking in here?” I’d rather …………………………………………………………………………………………………………… 9. He wrote the letter in two hours. → It took …………………………………………………………………………………………………………….. 10. “Why don’t we go out for a walk?” → My father suggested ………………………………………………………………………………………….

a,Giải phương trình $|x-2019|^{2020}$ + $|x-2020|^{2021}$ =1 b,Cho $4a^{2}$ -15ab+ $3b^{2}$ =0; b$\neq$ ±4a. Tính giá trị của biểu thức T= $\frac{5a-b}{4a-b}$+ $\frac{3b-2a}{4a+b}$

Viết đoạn văn diễn dịch cho câu chủ đề sau: Tiếng Việt của chúng ta rất đẹp Giups mik vs ạ

1. choose the word whose underlined part is pronounced differently from the others a.base b.raise c.house d.chase 2. choose the word whose main stress is placed differently from the others A . Action b.habit c.danger d.survive a.cosmonaut b.beautiful c.enormous d.technical a.information b.contaminate c.mathematics d.politician 3 .rewrite the sentences so that they are nearest in meaning to the sentence printed before them a.the boy didn’t stay at home.He didn’t go climbing (neither.....nor...) The boy …............................................................................................. b. the show is enjoyable.it is also educational (both..........and....) The show.................................................................................. c. my sister helped me to do my homework It was my …........................................................................... d. it was raining cats and dogs( torrents ) The rain was ….......................................................................

Help me help me . Gấp nha.......🥺🥺🥺 Giúp ii mừ , hứa vote 5 sao nếu trl nhanh và tốt nhất ♥️

1Could I arrange a time to see the doctor? (appointment) -> Could I_________________ to see the doctor? 2We all thought Bill’s story was very amusing. (amused)  We_______________Bill’s story. 3You were supposed to hand in the form three weeks ago. (should)  You____________ in three weeks ago. 4. John speaks French fluently and his Spanish is very good too. (only)  Not _____________________French, but his Spanish is very good too. 5. Laura’s mother did not allow her to see Jack. (prevented)  Laura’s mother _______________________Jack.

Viết đoạn văn diễn dịch cho các câu chủ đề sau: - Tình bạn thật đẹp. - Mỗi chúng ta đều cần phải học tập chăm chỉ để có một tương lai tốt đẹp. Giups mik vs ạ, nhanh hay = ctlhn + vote 5*

làm giúp em vs ạ em cảm ơn :33333