1. There is a reading room for kids in the library.

2. The library is in front of the playground.

3. Minh's bike is in the garage.

4. My uncle is going to work by car.

Question 1: The library has a reading room for kids. (There)

➝ _______There is a reading room________ for kids in the library. 

Question 2: The playground is behind the library. (front)

➝ The library ___is in front of the playground____________.

Question 3: Minh has a bike. His bike is in the garage. (Minh’s)

➝ _______Minh's bike is in ________ the garage. 

Question 4: My uncle is driving his car to work. (going)

➝ My uncle is ____going to work by car___________. 

My younger sister, Lily, is eight years old. She has bright blue eyes and curly brown hair that bounces as she runs. Lily is cheerful and always full of energy, making everyone laugh with her silly jokes. I admire her creativity and adventurous spirit, which inspires me to see the world through her joyful perspective.

My mom is actually in her fifties now, but I must say she has been extremely youthful despite all of her wrinkles and gray hair. Actually, my mom is a very industrious and hard-working person. She always starts the day at around 6am every morning, in order to have a quick breakfast and go to work.

Actually, she has retired for 2 years now but she has been working for her own healthcare center since then, which is something that I am so proud of. Specifically speaking, my mom used to be a renowned doctor in my city, as she was a chairwoman of a medical center which majors in maternal and children healthcare. 

She has always been an absolute role model for me, as portrayed in the way that she works, takes care of her children, everything. She is not only a mom but also a best friend to me. She is always the one for me to come to for advice; although the generation gap between me and her is quite big, she always seems to be extremely understanding and sympathetic to me.

I guess I am most influenced by her strong-will. According to some stories that my mom once told me, she has learnt to be independent ever since she was in her teenage years, because my grandparents were constantly up to their ears with their farming work. Therefore, she had learnt to take care of everything in the house, from her siblings to the household chores, and even herself. Such difficulties have shaped her to become such an inspiring woman to her children, her family and her colleagues, as she is now. 

Overall, I love my mom and my family endlessly and I always try to remind myself everyday to be as strong as my mom. 

33 F

34 F

35 T

36 F

37 T

961⁴² = 961^{( 3 x 14 )} = ( 961 x 14 )³ = 13454³

100 x 23⁹³ = 100 x 23^{( 3 x 31 )} = 100 x ( 23 x 31 )³ = 71300³

mà 71300³ > 13454³

=> 961⁴² < 100 x 23⁹³

Để mua cả hai loại bút với số lượng nhiều nhất thì bạn Minh chỉ cần mua 1 cây bút loại đắt hơn và mua toàn bộ cây bút loại rẻ hơn với số tiền còn lại

Số tiền còn lại của bạn Minh sau khi mua chiếc bút giá 11 nghìn đồng là: 

`100 - 11 = 89` (nghìn đồng)

Ta có: `89 : 8 = 11` dư `1`

Bạn Minh mua tối đa `11` cái bút loại 8 nghìn đồng với số tiền còn lại

Số bút tối đa bạn Minh mua là: 

`11 + 1 = 12` (cái)

Đáp số: `12` cái

`3^(x+2) = 729`

`<=> 3^(x+2) = 3^6`

`<=> x + 2 = 6`

`<=> x = 4`

Vậy `x= 4`

\(3^{x+2}=729\)

\(3^{x+2}=3^6\)

\(x+2=6\)

\(x=4\)

Đề bài sai bạn nhé. Bị thừa dữ liệu

- Ta có công thức: Năng suất x thời gian = công việc

Dễ dàng thấy khối lượng công việc không đổi nên năng suất tỉ lệ nghịch với thời gian

Từ dữ liệu: "10 con ăn trong 40 ngày" thì 1 con ăn cả đồng cỏ trong: 

`10 xx 40 = 400` (ngày) 

Từ dữ liệu: "15 con ăn trong 20 ngày" thì 1 con ăn cả đồng cỏ trong: 

`15 xx 20 = 300` (ngày)

Như vậy, đều cùng một con bò năng suất như nhau mà con này lại ăn lâu hơn con kia nên đề sai nhé

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