GẤP GẤP GẤP GIÚP EM VS EM ĐANG CẦN GẤP !!!!!!!!!!!!!!!!!!! (KÈM HÌNH VẼ GIÚP EM VS)

2^x+2^x+1+2^x+2+2^x+3=480 tính gọn a=2^2005-2^2004-2^2003-...-2^2-2-1 b=x.x^4.x^7........x^100 bài 3 tìm chữ số tận cùng 74^30 49^31 87^32 58^33 cho 40đ ạ

Giải giúp với ạ hứa 5 sao ạ cảm ơn nhiều

Một người viết liên tiếp nhóm chữ TỔ QUỐC VIỆT NAM thành dãy TỔ QUỐC VIỆT NAM TỔ QUỐC VIỆT NAM …. Hỏi chữ cái thứ 2020 trong dãy là chữ gì?

Cho tam giác ABC vuông tại A , AD là phân giác góc A , AH vuông góc BC , BD= 15 cm , CD = 20 cm tính HB , HC

Mọi người viết nhanh giúp em với ạ :3333333

I.Pick out word which has the underlined part pronounced differently from the rest. 1. a. passion b. pleasure c. decision d. measure 2. a. student b. stupid c. study d. studio 3. a. easy b. ear c. lean d. eat II.Pick out the word whose main stressed syllable is different from the rest. 1. a. understand b. engineer c. benefit d. Vietnamese 2. a. money b. army c. afraid d. people III.Put each verb in brackets into an appropriate form. 1. You always (complain)………………………….……about my cooking. 2. Lan bought a new English book yesterday. She (read)……………………..……….it tonight. 3. He wishes that he (work)………………..………harder but it’s too late now. 4. He can’t send E-mail because he (not get)………………………a modern for his computer. 5. When we (get)…………………….……….to the restaurant, we (find)…………………………that nobody (remember)…………………………….to reserve a table. 6.Were I your age, I (do)……………………………….……differently. IV.Choose the best answer from A, B, C or D to complete the following sentences. 1. Nobody was injured in the accident,..........? a. was there b. was he c. were they d. wasn’t it 2. She had changed so much that ............anyone recognized her. a. almost b. hardly c. not d. nearly 4. There was hardly .............money left in my bank account. a. more b. no c. some d. any 5. The chemistry book .............was a little expensive. a. I bought b. that I bought it c. I bought that d. what I bought 6. If you ............to my advice in the first place, you wouldn’t be in this mess now. a. listen b. will listen c. listened d. had listened 7. I am late because my alarm clock didn’t ...........this morning. a. come on b. ring out c. go off d. turn on 8. We have decided to ............the money for the local secondary school. a. beg b. collect c. raise d. rise 9. She didn’t get ...............well with her boss, so she left the company. a. at b. on c. through d. up 10. Please don’t disturb me ..............there is something urgent. a. if b. or c. otherwise d. unless 11. She used to work as a typist,...............she? a. did b. didn’t c. use d. wouldn’t 12. There isn’t .................foreign news in the paper. a. a lot b. lots c. many d. much

giúp mình với ạ, hứa vote đầy đủ

Toán hình . Làm hết 4 câu c,d,e,f Vote 5 sao cho câu trả lời nhanh đầy đủ và chính xác nhất

Một hình chữ nhật có chu vi là 94cm.Nếu giảm chiều dài đi 9cm thì diện tích bị giảm đi 180cm2.tính cd và cr ban đầu