Cali : Hoàng Anh Thư Mn làm sao cũng được .Nhưng phải có tâm đó nha

Helppppppp meeeeeeeeeeeeeee nhớ

b) Cho tam giác ABC có trung tuyến AM. Gọi I là trung điểm của AM, BI cắt AC tại D. Chứng minh AD=1/2DC

giải giúp mình nhé(đáp án thôi ạ)

ai giỏi tiếng anh giúp mik vs ah cần gấp lắm hellllllllppppppppppp * Choose one sentence that has the nearest meaning to the root one: 31. Mary is contented with what she does. A. What she does doesn’t make her pleased B. Mary is satisfied with what she does C. Whatever Mary does, she makes nobody pleased D. She feels happy when she does something 32. It took him three hours to do his homework. A. He did his homework in three hours B. He spent three hours doing his homework C. He did his homework three hours ago D. He finished his homework three hours ago 33. I like to play tennis in the summer. A. I’m interested in playing tennis in the summer. B. Playing tennis is my hobby. C. I like playing tennis in the summer very much. D. Playing tennis is what I like. 34. Their game of badminton is always on Tuesday. A. They always play their game on Tuesday. B. They play their game always on Tuesday. C. They always play badminton on Tuesday. D. They have always played badminton on Tuesday. 35. My brother always drives to work. A. My brother always goes to work in my car. B. My brother always gets to work by car. C. My brother always repairs cars at work. D. My brother’s driver is always off work.

Cho m gam tripanmitin tác dụng hết với dung dịch KOH dư, đun nóng thu được 58,8 gam muối. Tìm giá trị m.

Lm hộ ạ gì bảo ôn lại bài lớp 5 mà quên lm sao luôn giúp ạ😓

giúp em với ạ em cần gấp lắm rồiiiiiiii

e cần gấp lắm ạ, nhanh nhanh giúp e ạ, e cảm ơn

1 khu đất hình bình hành có độ dài đáy là 5 dam 5 cm , chiều cao là 12 m . Tính diện tích khu đất đó