CMR n thuộc số nguyên dương thì $6^{2n}$ + $19^{n}$ - $2^{n + 1}$ chia hết cho 17

Giullllllllllllllllll em vssssssssssss

I. Choose the correct word A, B, or C for each gap to complete the following letter. Dear Minh, Hi. I’m your exchange student (1) _____________ England. My name is George and I’m 12 years old. I (2) ______________ with my parents and my two sisters in Bournemouth, a town on the south coast of England. I’m a student at Lidborough School. It’s small (3) ______________ it is very clean and nice. My best (4) _______________ is probably computer studies and my worst is math. What about you? What are your (5) ________________ subjects at school? I’m really looking forward (6) ________________ visiting you in Viet Nam and meeting your family. What kind of (7) ________________ do you go to? What’s your school like? Please write soon and send me a (8) ___________ of your school. Best wishes, George Kelp 1. A. in B. from C. of 2. A. live B. come C. like 3. A. with B. as C. but 4. A. subject B. lesson C. play 5. A. favorite B. like C. dislike 6. A. at B. in C. to 7. A. class B. school C. classroom 8. A. painting B. drawing C. photo

Tìm x $2\sqrt{3}-\sqrt{4+x^2}=0$ $3\sqrt{2x}+5\sqrt{8x}-20-\sqrt{18x}=0$

Vẽ bảng chữ cái cali trên medibang / hoặc jump paint cho mềnh 30 điểm nha có tâm

mn ơi giúp mik vs mik đang cần rất rất gấp ạ. 20 phút nx mik cần có giúp mik nhé. ko spam.

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Timf x bieets:  a) $2\sqrt{3}-\sqrt{4+x^2}=0$ b) $3\sqrt{2x}+5\sqrt{8x}-20-\sqrt{18x}=0$

Find and correct the mistake 1.He surprised by the loud noise. 2. They were ate dinner at six o'clock. 3. Was your car fix? 4. This photo was take by my uncle. 5. Who was cooked dinner? 6. When did the airplane invented? 7. He was watched his favorite TV show. 8. Robert was bite by a dog. 9. They were interview by a reporter. 10.I'm sorry. You are not allow to go inside. 11. Pluto discovered in 1930. 12. Why did the party cancelled? 13. I was really enjoyed my holiday last summer. 14. My friend wasn't careful. She was fell off her bicycle. 15. The room cleaned this morning 16. When was the story write

ai làm gấp giúp mk vote 5 sao ạ!