rút gọn: (3-x) ²+(2-x) ×(2+x)-(x+5) ² Cần gấp

3. _______ you carry this bag for me? A. May B. Should C. Will D. Shall 4. You _______ throw litter on the streets. A. mustn't B. couldn't D. needn't D. won't 5. My mother permitted me to go out at night. She said, "You _______ go out tonight". A. may B. have to C. must D. ought to 6. It is possible that she _______ come to our party tonight. A. need B. ought to C. should D. will 7. They can type. They _______ type. A. lean how to B. are able to C. know how to D. both B &C 8. He advised me to take an English course. I _______ take it early. A. should B. shall C. will D. may 9. I'd rather _______ in the field than _______ home. A. to work/ to stay B. work/ stay C. working/ staying D. worked/stayed 0. As an orphan, he _______ earn his living alone. A. have to B. have had to C. ought to D. had to 1. They prayed that their daughter _______ be lucky again. A. may B. will C. could D. might 2. She _______ all that money, so she could save some. A. didn't need to spend B. needn't have spent

Cho A = 12-|x+1|.Tìm GTLN của A biết x thuộc Z

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làm ơn giúp mình với: choose the best answer 1. I would like a ____________ table A. beautiful wooden round B. round beautiful wooden C. beautiful round wooden D. wooden beautiful round 2. Thomas wore a ____________ shirt yesterday . A. new white lovely cotton B. lovely new white cotton C. lovely cotton new white D. new white cotton lovely 3. I have just bought an ____________ painting A. interesting old French B. interesting French old C. old French interesting D. old interesting French 4.He is living a ____________ house A. wooden small old B. wooden old small C. small old wooden D. small wooden old 5. She broke a ____________ jar A. beautiful old blue B. beautiful blue old C. blue beautiful old D. blue old beautiful 6.It's an expensive ____________ coat A. long fur grey B. grey long fur C. long grey fur D. grey fur long 7. A ____________university A. modern Australian new B. new modern Australian C. new Australian modern D. modern new Australian 8. A ____________ shoe A. small German running white B. small German white running C. small white German running D. small running white German 9. A ____________ student A. good university young B.good young university C. young good university D.university good young 10. It’s ____________________ . A. a large wooden nice chair B. a nice large wooden chair C. a wooden nice large chair D.a nice wooden large chair 16. He was a/an_________ . A. nice intelligent young man B. intelligent nice young man C. man of nice intelligent young D. intelligent young nice man 18. I watched an __________ movie on television last night. A. old American interesting B. American interesting old C. old interesting American D. interesting old American

5. Everybody has a great regard for her despite herpoverty.  Although ....................................................................................................................................... 6. In spite of the cold weather, we all woreshorts. Even though .................................................................................................................................. 7. In spite of her beauty and intelligence, nobody likesher. Even though .................................................................................................................................. 8. In spite of her broken leg, she managed to get out of thecar. Even though .................................................................................................................................. 9. Despite the narrow streets, many people drive cars in thiscity.  Though .......................................................................................................................................... 10. In spite of playing well, our team lost thegame.

Cân bằng FeS + HNO3 + H2O -> Fe(NO3)3 + Fe2(SO4)3 + NH4NO3

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tìm x F)5.x+3.(10-x)+x=45 g)336+x+64+2.x=100

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