B1 : Tính hợp lý a. (1/4 + -5/13) + ( 2/11 + -8/13 + 3/4 ) b. (21/31 + -16/7 ) + (44/53 + 10/31 ) +9/53 c. 31/23 - ( 7/23 + 8/23 ) d. (1/3 + 12/67 + 13/41) - ( 79/67 - 28/41)

Đề 4: Kể về một tiết học thú vị khiến em nhớ mãi.

giải hộ em nha càng nhanh cx đc

Cho tam giác đều ABC , gọi M là điểm thuộc cạnh BC , gọi EF là chân đường vuông góc kẻ từ M đến AB,AC .Gọi I là trung điểm AM,D là trung điểm của BC a, Tính góc DIE, góc DIF b, CM DEIF là hinh thoi vẽ hình giúp

*Circle the letter A, B, C, or D to indicate the correct answer to each of the following questions. Question 13: Viet Nam is _______multi-cultural country with 54 ethnic groups. A. a B. an C. the D. none Question 14: It usually rains _______in Central Viet Nam than in other regions. A. heavy B. more heavily C. heavier D. more heavy Question 15: Many adults like ______fruits and vegetables. A. eat B. ate C. eating D. eats Question 16: ______you ever ______a buffalo? - Yes, I have. A. Have-ridden B. Have-ride C. Has- ridden D. Has- ride Question 17: Look! Some children are ______ the buffaloes. Would you like to join us? A. picking B. playing C. driving D. herding Question 18: I love the people in my village. They are so ______and hospitable. A. vast B. slow C. friendly D. inconvenient Question 19: The Viet( or King ) have the largest number of people, accounting ______about 86% of the population. A. in B. at C. for D. with Question 20: My sister often helps my mum _______the housework after school. A. look B. make C. play D. do Question 21: “Is it true that there are 54 ethnic groups in our country?” - “______! ” A. I see B. That’s awesome C. Exactly D. How interesting Question 22: “I’m sure you will love this new cartoon”. - “______” A. No, we can’t B. Yes, it’s right up my street C. Of course D. Sound great *Circle the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions. Question 23: Which do you think is most interesting museum in Ha Noi? A B C D Question 24: My house is beautiful decorated at New Year. A B C D

Không cần giải thích nhiều đâu ạ

nhờ vả mấy bn giải giúp mik câu này nha

Trả lời câu hỏi : Are you good student? Càng dài càng tốt.

Các bn làm giùm mik bài này vs nha. Vote 5* và ctrlhn cho ai làm xong nha=))

giúp mik với mik đang cần gấp: huwas vote 5 sao cho cau tra loi nhanh nhat đề : đặt câu hỏi cho phần mik đóng ngoặc trong nhưng câu trả lời sau 1. jim has recently experienced (the life of ethnic people) in VietNam. 2. The ethnic minorities in Vietnam often live ( in mountainous areas) 3. Their costumes are ( colorful and unique) 4 . They ofetn gather together ( at the communal house ) in special occasions 5. The chief of the community often ( tell tales of heroes to the people ) at the communal house 6. Ethnic people often hold festivals ( in spring) 7. Life in the mountainous areas is quite difficult ( because of the extreme weather ) 8. In the remote areas , it may take people ( half a day ) to travel from their house to the market. 9. (Shortage in electricity and fresh water supply) makes life in remote areas so difficult 10. The local authorities try to help the ethnic minorities ( by teaching them effective farming methods)