cho a,b là các số thỏa mãn điều kiện a²+b²=1.tìm GTLN của M=ab căn 3+a²

who, which, whose,.. 1. The man who she is going to marry is very rich. 2. This is the bank _______ was robbed yesterday. 3. He wore a mask _______ made him look like Mickey Mouse. 4. He arrived with a friend ______ waited outside in the car. 5. The man ______ mobile was ringing did not know what to do. 6. The car ______ the robbers escaped in was a BMW. 7. The woman _____ daughter was crying tried to calm her down. 8. The postman ______ works in the village is very old. 9. The family ______ car was stolen last week is the Smiths. 10. The cowboy ______ is wearing a red shirt looks very funny. 11. A bus is a big car ______ carries lots of people. 12. The volunteers, ______ enthusiasm was obvious, finished the work quickly. 13. Children ______ like music are often good at mathematics. 14. The engineers ______ designed the building received an award. 15. The girl ______ recited the poem is my niece. 16. The townspeople, ______ pride in their community is well- known, raised enough money to build a new town hall. 17. The Pacific Ocean, ______ might have been crossed by raft during the Stone Age, is the world’s largest ocean. 18. The newspaper to ______ we subscribe is delivered regularly.

Tìm x, biết `3(2x-1)(x+2)-2(3x+2)(x-4)= 5`

Cưu voi ai giỏi hoa giúp em a nhưng em moi là hsth cơ sở thôi đừng su dụng bt e hay ion j nha

a) Cho biết xy+1=x+y. Tính F=x^2009y^2010-x^2009-y^2010. b) Cho biết M=a^2(b+c)+b^2(c+a)+c^2(a+b)+2abc=0 và a+b+c=0. Tính N=a^2011b^2012c^2013. c) Cho biết a^3+b^3+c^3=3abc=21 và a khác b khác c. Tính M=a(b^2+c^2)+b(c^2+a^2)+c(a^+b^2)

help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Làm giúp e bài vs ạ em sẽ vote đầy đủ

Bài 3: Cho biểu thức: P= (1/căn x + 2 + 7/x-4) : (căn x -1/ căn x -2 -1) ĐKXĐ: x ≥0 và x ≠ 4 a. Rút gọn P. b. Tính giá trị của P trong các trường hợp sau: 1) x=9 2) x= căn 27 + 10 căn 2 - căn 18 + 8 căn 2 3) x= căn 2/ 2- căn 3 - căn 2/ 2+ căn 3

trả lời giùm em vs em cần gấp ạ

Vẽ chibi có màu NL : dưới bl nha