các prob ơi cho a,b,c thuộc [1,2] cmr a ²+b ²+c ²+ab+bc+ca+3(a+b)(b+c)(c+a) ≥(a+b+c) ³

Giúp mik vs mk cần gấp á Mk mơn các bn trc nhiều nha

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Làm giúp em với ah em cảm ơn anh chị

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Hộ mình đc ko các bn ơi mình cần gấp

1. If he …………………….. the lottery last year, he……………………..rich now. A. Have won/would be B. had won/would be C. won/would be D. wins/will be 2. If you ……………………..the homework yesterday, you…………………..bonus today. A. Had done/would get B. had done/would have got C. done/would get D. does/will get 3. If the kids had gone to school last Thursday, they………..to the library now. A. Would go B. will go C. could go D. A&C 4. If it ……………………………last night, it would be cold this morning. A. Had snowed B. snowed C. have snowed D. was snowing 5. If Megan……………….to you, she……………………..in trouble right now. A. Had listened/would be B. had listened/would have be C. had listened/would not be D. A & B 6. If it had rained three hour ago, the streets………… wet now. A. Would have be B. will be C. be D. would be 7. If I ……………….to the beach last weekend, I would be tired today. A. Have gone B. goes C. had gone D. A & B 8. If we had bought that ticket yesterday, we……………….a lot of money now. A. Will have B. may have C. would have had D. would have 9. If you had done all your homework last night, you………games right now. A. Will play B. can play C. plays D. could play. 10. If Mai had not gone out last week, she………………die now. A. Will B. would C. could D. B&C

7+(3-1/2)=|x-5| Giúp mình với ạ