A= \(\frac{0,75+0,6-\frac{3}{7}-\frac{3}{13}}{2,75+2,2-\frac{11}{7}-\frac{11}{3}}\)

A= \(\frac{0,75+0,6-\frac{3}{7}-\frac{3}{13}}{\frac{11}{3}\left(0,75+0,6-\frac{3}{7}-\frac{3}{13}\right)}\)

A=\(\frac{1}{\frac{11}{3}}\)

A= \(\frac{3}{11}\)

1/I will visit my aunt in Ho Chi Minh City this summer.

2/ My friend went to Italy last December.

3/Thanksgiving is a festival to say thanks for what they have.

4/ People in South of Vietnam decorate their houses with apricot blossoms.

5/ La Tomatina is held in Bunor every year.

1. My brother is not very ..sporty..... He usually stays at home and read books in the afternoon. (SPORT)

2. What is your .favourite... subject at school ? (FAVOR)

3. I am not ..interested... in this talk. (INTEREST)

4. How many times a day do you brush your ..teeth... (TOOTH)

5. Don't buy plenty of ...fatty... foods because they're not good for you.(FAT)

Hỗn hợp X gồm 2 este đơn chức. Cho 0,05 mol X tác dụng vừa đủ với dung dịch NaOH thu được hỗn hợp sản phẩm hữu cơ Y. Đốt cháy hoàn toàn Y thu được 2,688 lít CO₂ (đktc) và 3,18 gam Na₂CO₃. Khi làm bay hơi Y thu được x gam chất rắn. Giá trị của x là

A. 4,56.

B. 3,40.

C. 5,84.

D. 5,62.

BT

My name is Hoa. Now I'm 14 years old. I am a student at Quang Trung school. I'm in class 7A. I am study many subjects such as: Maths, English, Art, P.E, Literature, ect. But I like History best because it can help me know the events in the past and in the future. In the free time I often do a activity has a bit strange: learn to sew, and I help my uncle and my aunt, too! I am very good at sewing. Next week I am going to make a dress for my friend in her birthday