`\sqrt{11-6\sqrt{2}}-\sqrt{3-2\sqrt{2}}``=\sqrt{11-2\sqrt{18}}-\sqrt{3-2\sqrt{2}}``=\sqrt{9-2\sqrt{18}+2}-\sqrt{2-2\sqrt{2}+1}``=\sqrt{(3-\sqrt{2})^2}-\sqrt{(\sqrt{2}-1)^2}``=|3-\sqrt{2}|-|\sqrt{2}-1|``=3-\sqrt{2}-(\sqrt{2}-1)``=3-\sqrt{2}-\sqrt{2}+1``=4-2\sqrt{2}`
`\sqrt{11-6\sqrt{2}}-\sqrt{3-2\sqrt{2}}` `=\sqrt{9-6\sqrt{2}+2}-\sqrt{2-2\sqrt{2}+1}``=\sqrt{3^2-2.3.\sqrt{2}+(\sqrt{2})^2}-\sqrt{(\sqrt{2})^2-2.1.\sqrt{2}+1^2}``=\sqrt{(3-\sqrt{2})^2}-\sqrt{(\sqrt{2}-1)^2}``=|3-\sqrt{2}|-|\sqrt{2}-1|``=3-\sqrt{2}-\sqrt{2}+1``=4-2\sqrt{2}`
em còn nhiêu điểm à mn giúp em đk
Giải giúp em Bài này chi tiết với ạ!!! Em cần gấp ạ!!!
Mọi người lm giúp mình nha Thanks trước Bạn nào lm đúng mình cho hay nhất nhoa 🥰
m.n ơi giúp em câu này vs gấp lắm ạ a> √(1- √3) ²+ √4-2 √3+ √100 b> ( √5+ √3) ² -( √5- √3) ² bài 2 giải phương trình a> 4 √x -2 √9x + √16x =5 b> √4x+20 -3 √x+5 +4/3 √9x+45=6
Giup em với ạ , ko gt cũng được ạ
1. Which sports do British and American teenagers play in their free time? ________________________________________________________________________ 2. How long do they spend online? ______________________________________________________________________________ 3. How much pocket money do they get? ______________________________________________________________________________ 4. What do they spend it on? ______________________________________________________________________________ 5. How many online friends do they have? __________________________________________________________________________________ em còn nhiêu điểm mn giúp em với ạ
Giúp m với cần gấp lắm L hộ với !!!!!
Cho các số nguyên a,b,c thỏa mãn ab(a-b)+bc(b-c)+ca(c-a)=a+b+c Chứng minh rằng a+b+c chia hết cho 27
7. “Don’t spend too much money on your holiday” said my dad to me. ………………..……………………………………………………. 8. Tim’s father said: “Don’t be late, Tim” ………………..…………………………… 3. “I’ll see him tomorrow and I’ll send your regard to him”, Lan said 9. “Do you live near your family, Daisy ?”, he asked ………………………..…………………………………………….. 10. Mum asked me: “Did you lend them your camera?” Mum wanted to know ……………………………………………… 11. “Can I borrow your typewriter, Mary?” asked Tom. ……………………………………………………………………… 10. The boy said to his sister “Have you ever read a book on space flights?” The boy asked 11. “Do you want to insure your luggage or not? The travel agent asked 12. “Please turn up the volume, Nga” said her grandmother Nga’s grandmother asked 13. “What are you doing?” She asked me She asked 14. “Can you speak English?” Mr. Brown asked Mr. Brown asked 15. “What do you usually do in your free time?” the examiner asked The examiner asked 16. My friend said “Are you going to leave tomorrow?” My friend asked 17. “Did you phone me yesterday?” Tom asked Mary Tom asked 18. I asked the policeman “Do you know how far it is to the station?” I asked 1. He asked the boy: “Why did you take my wallet?” ……………………………………………………………………… 2. “How are you, my darling”, he asked ……………………………………………………………………… 3. Tom asked me: “What is her name?” ………………………… giúp mình với ạ mình cảm ơn
giúp mình câu b,c với. Mình thấy kết quả hơi sai nên hỏi
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