`#WAB`
Câu 19: `(x^2y-2xy)(-3x^2y)`
`= -3x^4y^2+6x^3y^2`
Câu 20: `x(x+1)+2`
`= x^2+x+2`
$\text{(x²y-2xy)(-3x²y)=-3$x^{4}$y²+6x³y²}$
$\text{⇒Đáp án A}$
$\text{2)x(x+1)+2=x²+x+2}$
Giải hộ mình các bài tập trắc nghiệm đi hicc mình cầnn gấpp lắm huhu
16. They spent more money, they had to work harder. => The more …………………………………………………………………………… 17. People thought that the cover was made of iron. => The cover …………………………………………………………………………… 18. He went to London. He had lived there when he was a boy. => He went to London where ………………………………………………………….. 19. Jane was absent from class because of her sickness. => Because Jane was …………………………………………………………………… 20. The package was too heavy for Peter to carry. => He package was so …………………………………………………………………..
Xã hội phong kiến Trung Quốc xuất hiện 2 giai cấp nào? A. Địa chủ, nông nô B. Quý tộc, nông nô C. Địa chủ, tá điền D. Quý tộc, nông dân
Bn nào giúp mk vẽ hình bài này vs!!!
11. The questions are so easy that everyone can answer them. => They’re such ………………………………………………………………………... 12. The boy will receive some money to continue his study. His parents died in a traffic accident => The boy whose ………………………………....................................................…… 13. They are producing motorbikes in Vietnam. => Motorbikes are ……………………………………………………………………… 14. I wasn’t there yesterday, so I didn’t know who he was. => If I …………………………………………………………………………………... 15. If you do not try hard, you can’t pass the examination. => Unless ……………………………………………………………………………….
giải giúp mik bài này ik ạ tóm tắt và giải
Giúp em với ạ. Em cảm ơn nhiều
Vẽ huy hiệu học sinh giỏi huyện NL : Mục tiêu : Thiên tài
nHANH TRAC NGHIEM HELPPP[ 2 CÂU
6. I was going to leave, but because of what he said, I didn’t. => She persuaded …………………………………………………….………………… 7. He was very sorry that he didn’t see Andrey on her trip to London. => He greatly regretted…………………………………………………………............. 8. It’s thought that the accident was caused by human error. => The accident is…………………………………………..…………………............... 9. “Will you be visiting the Taj Mahal when you go to India?” he asked Elizabeth. => He asked ……………………………………………………………………............. 10. This is the most delicious cake I have ever tasted. => I have …………………………………………………………………………...…...
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