I Chuyển các câu sau sang hình thức số nhiều

1 This is my class

=> These are my classes

2 In front of the store , there is a person

=> In front of the store , there are people

3. He is not fine today.

=> They are not fine today

4 You are a good friend

=> You are good friends

5 Does that man work near here?

=> Do they work near here ?

II Đặt câu hỏi cho phần gạch chân trong mỗi câu trả lời sau

1 My eraser is on the table.

=>Where is your eraser ?

2 Minh has literature on Monday and Friday.

=> What subject does Minh have on Monday and Friday .

3. Yes , there are some children in the stadium

=> are there some children in the stadium ?

4 There are a lamp on the table in the living room

=> How many lamp on the table in the living room ?

5 The beautiful woman is their teacher of English

=> What is their women English teacher look like ?

III Hãy viết lại câu cho sẵn bắt đầu bằng từ gợi ý. Chú ý giữ nguyên nghĩa của chúng

1, I have a sister , Lan

=> I'm Lan's sister

2. The ruler is long

=> It's is long - the ruler

3. How old are you ?

=> What is your age ?

\(n+4⋮n+2\)

\(\Rightarrow\left(n+2\right)+2⋮n+2\)

Do \(n+2⋮n+2\) nên để \(n+4⋮n+2\) thì \(2⋮n+2\)

\(\Rightarrow n+2\inƯ\left(2\right)\)

\(\Rightarrow n+2\in\left\{1;2\right\}\)

\(\Rightarrow n\in\left\{-1;0\right\}\)

120 kg = 1200 N

- Đọc đoạn văn sau và trả lời câu hỏi

Thu lives in Quang Nam with her family. She is a student at QT school . It is near her house . She goes to school every afternoon , from Monday to Saturday . Her classes start at seven o' clock and finish at fifteen past eleven . At school , she has subjects such as : literature , history , geographu , English , math , physics , biology and music . She has English on Tuesday , Wednesday and Friday . In the afternoon , she does her homework . In her free time , she listens to music or watches television.

1. How many subject does she have at school ?

~> There are eight subjects she has at school

2. When does she have English ?

~>She has English on Tuesday , Wednesday and Friday .

3. What does she do in her free time ?

~> In her free time , she listens to music or watches television.

nếu mỗi số tăng thêm 2 đơn vị thì tổng 2 số là : 140 + 2 + 2 = 144

coi số bé là 5 phần thì số lớn là 7 phần. tổng số phần bằng nhau là : 5 + 7 = 12 ( phần )

số bé sau khi thêm 2 đơn vị là : 144 : 12 x 5 = 60

số bé lúc đầu là : 60 - 2 = 58

số lớn là : 140 - 58 = 82

                         đ/s : số lớn : 82

                                 số bé : 58

mk nữa nè