4/7 - 11/42 = Mọi ng ghi cách giải luôn giúp mik với nhá .Cảm ơn tr

Vẽ đậu vui :3 NL: Vn đá cùng Nhật,Oman, Ả dập xê út,Úc và mấy anh trung của :D

Tìm một số câu đơn trần thuật có tác dụng giới thiệu, có tác dụng kể, có tác dụng miêu tả trong bài Cây tre Việt Nam

Turn into the passive 1. I had my nephew paint the gate last week. ___________________________________________ 2. She will have Peter wash her car tomorrow. ___________________________________________ 3. They have her tell the story again. ___________________________________________ 4. Anne had had a friend type her composition. ___________________________________________ 5. Rick will have a barber cut his hair. ___________________________________________ 6. He had a mechanic repair his car. ___________________________________________ 7. They had the police arrest the shoplifter. ___________________________________________ 8. Are you going to have the shoemaker repair your shoes? ___________________________________ 9. I must have the dentist check my teeth. ___________________________________________ 10. She will have a veterinary surgeon examine her dog. ______________________________________ 11. We had a man take this photograph when we were on holiday last summer. ___________________________________________ 12. The Greens had a carpet cleaner clean their carpet. ______________________________________

Cho a, b, c, d khác $0$ là 4 số phân biệt thỏa mãn $b^{2}$ = ac, $c^{2}$ = bd. Biết rằng $b^{3}$ + $c^{3}$ + $d^{3}$ khác $0$ . CMR $a^{3}$ + $b^{3}$ + $c^{3}$ / $b^{3}$ + $c^{3}$ + $d^{3}$ = $\frac{a}{d}$

Giúp mình với Giúp mình giải từng bước nha..

Giải phương trình (3x+6)(9x+2)-4 = -4 NL : Thôi xong ,gặp Nhật Bản rồi 😰😰

Tìm x thuộc Z bt : a) x.(x+3)=0 b) (x-2).(5-x)=0 c) (x-1).(x^2+1)=0

2.1. Bài tập thì Quá khứ tiếp diễn cơ bản Bài 1: Chia động từ ở trong ngoặc ở thì quá khứ tiếp diễn để hoàn thành câu 1. I lost my keys when I ________ (walk) home. 2. It was raining while we ________ (have) dinner. 3. I saw the department stores when I ________ (sit) on the bus. 4. Her phone rang while she ________ (talk) to her new boss. 5. My friends ________ (drive) to work when they heard the news on the radio. 6. He ________ (ride) his bicycle when the cat ran across the road. 7. We couldn’t go to the beach yesterday because it ________. (rain) 8. It was a lovely day. The sun was shining and the birds ________ (sing) in the trees. 9. The tourist lost his camera while he _____ (walk) around the city. 10. The lorry _____ (go) very fast when it hit our car. 11. I _______ (walk) down the street when it began to rain. 12. At this time last year, I _______ (attend) an English course. 13. Jim ________ (stand) under the tree when he heard an explosion. 14. While I _____ (study) in my room, my roommates ________ (have) a party in the other room. 15. Mary and I _________ (dance) the house when the telephone rang. Bài 2: Viết thành câu hoàn chỉnh ở thì quá khứ tiếp diễn dựa trên từ gợi ý 1. (they / take the exam?) 2. (when / he / work there?) 3. (you / make dinner?) 4. (they / drink coffee when you arrived?) 5. (when / we / sleep?) 6. (they / study last night) 7. (we / talk when the accident happened) 8. (he / not / exercise enough) 9. (I / talk too much?) 10. (it / not / snow) 11. (how / they / feel?) 12. (they / not / talk) 13. (where / I / stay?) 14. (why / he / study on a Saturday night?) 15. (I / go to school when you saw me) 16. (you / sleep at 6am) 17. (she / work when I called) 17. (we / not / leave when you called) 18. (I / not / stay in a hotel) 19. (we / make too much noise?)

Tính tổng dãy số sau 2,3,4,5 ...... 30,31,32,33,34,35 Viết công thức tính