ai làm trong 1p mk hứa sẽ có ctlhn

. Em có nhận xét như thế nào về đời sống tinh thần của nhân dân ta trong các thế kỉ 10 - 15?

giải phương tình x+1/x và -7 =5/ x-2

$\dfrac{x-1}{9}$ = $\dfrac{8}{3}$ Tìm x

Giúp mình làm bt này với ạ. Cảm ơn mn

Giải phương trình sau: x+1/x và trừ 7 = 5/x-2

Use Would you mind/ Do you mind to write the sentences I. You want the person you are speaking to to open the window: 2. You want to make a cup of tea: 3. You want the person you are speaking to to make you a cup of tea: 4. You want the person you are speaking to to give you a newspaper: 5. You want to take a shower: 6. You want to use the computer of the person you are speaking to: 7. Someone else wants to watch TV: 8. Someone else wants to make a cup of tea: 9. You want to cat some fruit: 10. You want the person you are speaking to to post a letter. 11. You want the person you are speaking to to mow the lawn: 12. Someone else wants to have a party: 13. A group of people want to wash their clothes: 14. A group of people want to play some music: 15. You want to borrow the car of the person you are speaking to: Các bạn giúp mình với

Cho tam giác ABC, biết diện tích là 171 dm2, cạnh AB = 19 dm. Tính độ dài đường cao CG.

lim50000+lim30000+cos300*sin70000+n=X lim(700*5000)+700n=X

Giúp em bài này được ko ạ em cảm ơn