Đáp án ở hình
Cho tam giác ABC cân tại A, góc BAC bằng 100 độ. D là 1 điểm thuộc miền trong của tam giác ABC sao cho góc DBC=10 độ, góc DCB=20 độ.Tính góc ABD.Mn giúp mk vs ạ.
Giúp mình nha mình sẽ cho quà và thưởng
giúp mmk vs mk tính ra rồi nhưng mk thấy nó cứ kiểu sai sai lm sao ý.
cau hoi cau 1 la em hay so sanh phong trao yeu nuoc cuoi tk xix va dau tk xx
lm giúp mk với ạ mk đang cần gấp
1. Read the passage and choose the best answer ( A,B or C ) to the following questions. My name is Hoa. Here is a photo of my school. It is a bis school. It is in Hue. It is on Nguyen Hue Street. In my school, there is a big yard and there are lot of trees around it. My school has three floors and forty classroms with 1,700 students. My classroom ison the second floor. I'm in grade 7, class 7A. Our class starts at 7:00 and finishes at 11:30. At school we learn many things, but I like Literature and English best. I also like Music, Sports and Art. We oftenhave recess at 9.20. We usually drink, eat and talk at recess. We sometime play games like blindman's bluff or catch. We often make much noise at recess. At school, we often go home and have lunch at 12.30 1. Where is the school? A. On Nguyen Hue Street B. In Hue C. On Nguyen Hue Street in Hue 2. How many students are there in the shool? A.1,700 B. 1,070 C. 1,007 3. When does the class start and finish? A. 7.00 and 11.00 B. 7.30 and 11.00 C. 7.00 and 11.30 4. What subjects does she like best? A. Literature and English B. Literature and Art C. English and Music 5. What does she usually do at recess? A. Drinks and eats B. Drinks, eats and talks C. Eats and talks
Giải phương trình: (x- 1). (2x – 3) – 2x^2 = 0
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