{-2} + {75% -0,25} : 9/4 - 11/6

Giải nhanh giúp em được không ạ

hãy kể tên những thiết bị cài đặt hệ điều hành mà em biết

xin hãy giúp mk tí mk đi học r ☺️☺️☺️

cho tam giác ABC gọi M,N lần lượt là trung điểm AB và AC a) tứ giác BMNC là hình gì? Vì sao b) trên tia đối NM xá định điểm E sao cho NE=NM Tứ giác AECM là hình gì? vì sao

Tìm ích: (x-20):(x:10)=(x+40):(x+70)

Chứng minh a, $\frac{3a + 4b}{5c + 4d}$ = $\frac{3a - 4b}{5c - 4d}$ b, $\frac{11a - 10c}{11b - 12d}$ = $\frac{11a + 12c}{11b + 11d}$ c, $\frac{a-b}{a}$ = $\frac{c-d}{c}$

Chiều 2h em phải đi học rồi ạ ! Mọi người giúp em vs ạ ! Em cảm ơn

1. His boss has had enough of his impudence, and doesn't want to hire him any more.dịch sao ạ? 2. Don't be concerned about your mother's illness; she'll recover soon. dịch sao ạ? 3. Nalita: "Oh my God! I've missed my bus.” Mr. Viet: “__. Another will come here in ten minutes.” A. Thank you B. Don't mention it C. I hope so D. Don't worry Tại sao chọn D ạ? 4. There's a film on TV tonight, but I think we have already seen it before. dịch sao ạ? 5. He didn't forgive her for what she had done despite loving her very much. dịch sao ạ? 6. Marie Curie was the first scientist to win two Nobel Prizes in science. dịch sao ạ? 7. I believe it is important for children learning that to learn that they must follow certain rules in his society. Sửa lỗi 8. Different countries have difference rules of behaviour, but if children do not learn the correct rules, they may not be able to fit into their society when they will grow up. Sửa lỗi 9. Childhood is the time of learn for children. Sửa lỗi 10. Giông tố nào cũng sẽ vượt qua vì người Việt ta luôn sống với nhau bằng cái nghĩa đồng bào~ All difficulties will be overcome because Vietnamese people always live together in everyone's love. - chữa cho e nhé. 11. Ba studies hard,he can get a good job. =>If... 12. she doesn't work hard,she can't pass her exam =>If... 13. I was busy doing my housework when she came (middle) - I was.... - ko gg dịch e cảm ơn

Đặt câu hỏi cho các câu sau: My address is 263/2 Tran Phu Street 8950963 It's about 500 meters from my house to school I walk to school I live with my parents